Circulatory System

Topic Page

Questions

• Why does the narrowing of the arteries decrease blood flow but increase blood pressure?
• People who smoke often have cold hands and feet. What might explain this condition in terms of blood flow?
• Is the vertebral artery a branch of the aortic arch?
• What conditions contribute to elevated blood levels of alkaline phosphatase?
• Are lymphocytes produced in the bone marrow and then migrate to the thymus gland and lymph nodes where they develop? Are some lymphocytes also produced in the lymph nodes?
• What is heart disease? What is the primary cause of heart disease and what symptoms does it typically produce?
• How does blood flow back to the heart from the lower extremities, since it is fighting against gravity?
• In a heart transplant, if the vagus nerve is not re-transplanted, how is the heart rate kept in check?
• Is heart disease hereditary? Can a person who subscribes to a very healthy lifestyle suffer a heart attack due to hereditary factors?
• What is the difference between congestive heart failure and coronary artery disease?
• What is a heart murmur? What are some common reasons that heart murmurs occur?
• What causes peritonitis? What are the common symptoms, and how is this condition usually treated?
• Does the heart produce lactic acid? When the heart is overworked, does it fatigue?
• Can the heart itself be damaged by an external force, such as being struck forcefully in the chest? What would be the result of this type of injury?
• What occurs in the heart during systole? What part of the brain controls heart rate?
• What is the purpose of the heart valves? How many valves does the heart contain?
• What are premature ventricular contractions (PVCs) of the heart? How are these treated?
• What is congenital heart disease? What are the symptoms and possible causes of this condition?
• How quickly is alcohol broken down in the body?
• Is the lymphatic system the same as the immune system? Are both of these terms used to describe the same system or are they separate?
• What are the main organs of the lymphatic system and what are their functions?
• How does the lymphatic system aid homeostasis?
• In which structure of the lymphatic system is the lymph actually cleaned?
• Why is inflammation beneficial for an injury site?
• How do the lymphatic system and the immune system work together?
• When comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, can be said that the lymphatic system also contains fluid that travels in a closed circuit?
• Where does lymph in the lymphatic system flow after it leaves the capillaries and veins?
• How does lymph move through the body, since the lymphatic system does not contain a pump?
• Is the spleen part of the lymphatic system or part of the immune system?
• Does the lymphatic produce hormones? Does the lymphatic system assist in the coagulation of blood?
• Does the lymphatic system carry blood?
• What are the symptoms of a blood clot?
• What is a blood clot? How do blood clots form?
• Can mild blood thinners like advil or aspirin dissolve a blood clot?
• Can a blood clot in the leg cause swelling? If so, would swelling be noted above the clot or below, or both?
• Is there a blood test that can check for the presence of blood clots?
• What factors are responsible for blood clotting outside of the body, for example in the case of an injury, and not internally?
• Can a pulmonary embolism be detected on a chest X-ray? If not, how are they diagnosed?
• What are the names of the four branching blood vessels that supply the heart with blood?
• What prevents backflow into the ventricles when the heart is relaxed? What prevents backflow into the atria when the ventricles are contracting?
• Is there ever a hole or passageway between the two atria of the heart? Why or why not?
• What prevents the backflow of blood from the aorta to the left ventricle?
• To where in the body is blood in the pulmonary system pumped?
• When viewing a picture of the circulatory system, what do the red and blue blood vessels mean?
• Is the heart located medial, distal, posterior, or lateral to the lungs?
• What are the three major coronary arteries called?
• Where in the heart is the sinoatrial node located?
• Miguel is a 25-year-old jogger with a target heart rate of 125 bpm. His resting pulse is 70 bpm. His blood volume is approximately 6.8 litres. At rest, his cardiac output is 6.3 litres/minute and his EDV is 150 ml. What is his stroke volume at rest?
• What is meant by the dorsal and ventral aspects of the heart?
• In left ventricular systole, which chambers of the heart are contracting and which are filling with blood?
• What type of muscle tissue does the heart mainly consist of?
• What are the organs of the circulatory system?
• What is the visceral pericardium?
• What internal organ is below the heart, about level with the belly button?
• What is the cardiac aorta? Is it a vein or an artery?
• What do arteries,veins, and capillaries do?
• What effect do beta blockers have on the heart?
• What are the differences between cardiac (heart) and skeletal muscle contractile tissue?
• Besides the ribs, which bones protect the lungs and the heart?
• Why are the pulmonary veins called veins if they carry oxygenated blood? Why are pulmonary arteries called arteries if they carry deoxygenated blood?
• Where is the tricuspid valve located? What is its purpose?
• Where are the pacemaker cells located in the heart?
• Is the pulse rate the same as the heart rate? Why or why not?
• Which veins which supply blood to heart?
• What plane divides the heart into atria and ventricles?
• Is you heart behind either of the lungs?
• What is the structure of the pericardium? What is its function?
• Which is the cardiac muscle layer of the heart?
• What is the function of the septum separating the left and right ventricles?
• What hormones does the heart secrete?
• Do both arteries and veins contain valves?
• What holds the heart in place?
• Where is the visceral pericardium located?
• What is physiological heart disease?
• What is the definition of a heart contraction? Is it when the heart relaxes or when it squeezes and pushes the blood from one place to another?
• What is the name of the serous layer that covers the heart muscle?
• What are the layers of the heart, from the inside to the outside?
• Which layer of the walls of the heart is the largest?
• How many layers are in the walls of the heart?
• A patient's ECG recording shows a consistent pattern of two P waves followed by a normal QRS complex and T wave. What is the cause for this abnormal wave pattern?
• What controls the pulse rate?
• How is the heart muscle supplied with oxygen?
• How are heart sounds normally produced?
• How do heart valves work?
• How can heart attacks be prevented?
• Why does a heart attack cause pain in the left arm?
• How do heart rate monitors count calories?
• How do heart rate monitors work?
• How do you calculate the volume of blood your heart pumps in an hour?
• How does a heart attack differ from stroke?
• How does the heart rate change during exercise? Why does this happen?
• How does heart rate relate to the body's oxygen requirements?
• How does heart size relate to the size of an animal?
• How does the heart relate to the endocrine system?
• How is the heart rate calculated?
• What are some examples of cardiac diseases or conditions?
• What is a doctor called who specializes in the treatment of heart conditions?
• What heart rate is normal in a resting, healthy infant?
• What causes the heart to beat fast when a person is frightened?
• Why is heart cancer rare?
• Why is heart disease so common, especially in elderly people?
• What are the top five contributing factors for heart disease?
• Are heart murmurs genetic?
• When you gain weight, does your heart grow in size? If you work out, does the heart muscle shrink or get bigger?
• How is the heart restarted after bypass surgery?
• What are the four main blood vessels that enter or exit the heart? Which of these bring blood to the heart and which ones carry it away?
• What is heart cauterization?
• What conditions can cause elevated cardiac enzymes other than a heart attack?
• What is the difference between veins, arteries and capillaries?
• Where are the major arteries located in the human body?
• Why are valves present in veins but not in arteries?
• Why is the diameter of an artery typically smaller than that of a vein?
• Do arteries transport blood from the heart to the lungs and then back to the heart?
• Is it true that the arteries always carry oxygenated blood and the veins always carry deoxygenated blood?
• What foods clog up the arteries?
• How does cholesterol block an artery?
• What is the purpose of veins and arteries?
• Are there any foods that can eliminate plaque in the blood vessels?
• What type of blood do each of the umbilical blood vessels carry?
• Why are the arteries and veins connected by the capillaries? If veins carry de-oxygenated blood and arteries carry oxygenated blood, why are they connected?
• What is the name of the major artery in your arm?
• What does a decrease in the diameter of arteries cause?
• Why are the major arteries often located deeper into the body cavity than the major veins?
• In the human umbilical cord, are there 2 arteries and 1 vein, or 2 veins and 1 artery?
• What is the average speed / velocity of blood flowing in the arteries?
• In what direction does blood flow in arteries? What drives blood through the arteries?
• Does everybody have at least a little plaque in their arteries?
• What are the coronary arteries?
• Are the jugular vein and carotid artery present on both sides of the neck, or is one on the left side and the other on the right?
• Why do blood vessels in the body need to be elastic?
• Why is the pH of arterial blood higher than venous blood?
• Are there two brachial arteries in the body? Are there two brachiocephalic arteries in the body?
• What three arteries branch off the aortic arch?
• Do coronary arteries carry blood away from the heart?
• Which two arteries have valves?
• Can you reverse a clogged artery by just eating right and getting exercise?
• How many pulmonary arteries empty into the right atrium of the heart?
• Why do arteries need to have strong walls?
• If smoking cigarettes causes plaque buildup in arteries, does this mean inhaling smoke from fires does the same?
• Which structures of the body are affected by atherosclerosis?
• What is elastic recoil in the arteries? Why do they do this?
• Which are lined with muscle tissue, veins or arteries?
• Someone with heart disease may need to have their arteries scraped to clean them of plaque. This procedure can cause the arteries to collapse. What is the name of the device that supports the arteries and keeps them open?
• The abdominal aorta divides into two branches before entering the legs. What are the names of these branches?
• What part of the heart contracts first in the cardiac cycle?
• What path does blood take as it circulates through the heart?
• How many veins enter and exit the heart?
• The blood leaving the heart is at high pressure, while that returning to the heart is at low pressure. Why?
• What are the main parts of human heart?
• In what parts of the heart do you find oxygenated blood and in what parts do you find deoxygenated blood?
• What causes one side of heart to be larger than other side?
• What is the main function of the right side of the heart?
• Which blood vessels carry blood away from the heart?
• What type of cells make up most of the tissue of the heart?
• What are the upper chambers of the heart called? Are they the auricles or the atria?
• What is the difference between the systole and diastole phases of the cardiac cycle?
• Can cancer affect the heart? Is the heart immune to cancer?
• What is the only vein in the body that is rich in oxygen?
• Which chamber of the heart receives deoxygenated blood from the body?
• In the walls of the heart, what is the thick layer of muscle called?
• What is inflammation of the heart called?
• The valve between the left ventricle and the blood vessel leaving the left ventricle is what valve?
• What is the pericardium?
• Which layer of the heart allows it to act as a pump?
• What is the name of a thin layer of tissue that lines the cavities of the human heart?
• What are the membranes that cover the heart?
• What is the thick layer of the heart wall that contains contractile cardiac muscle tissue?
• Are pericardium, myocardium and endocardium types of tissue in the heart?
• What is the structure, function, and location of the pleura, pericardium, and peritoneum?
• The bulk of the heart which consists of cardiac muscle tissue is called what?
• Which organ forms from the ectoderm layer of the embryo?
• Blood vessels have a middle layer of what kind of muscle?
• The layer of simple squamous epithelium that lines the inside of the myocardium is called?
• What is the parietal pericardium or parietal pleura?
• What layer of skin contains the blood vessels and nerves?
• What are the 4 chambers of the heart?
• What is the name of the double-layered membrane that surrounds the heart?
• The skin is composed of three layers. What are they, and what do they do?
• Which chamber of the heart has the thickest wall and why?
• How many walls does the human heart have?
• Which blood vessels have an outer layer of elastic in their walls?
• Why do arteries have thick walls? Why do arteries have elastic walls?
• Is blood pressure the product of the stroke volume times the heart rate, the number of layer of blood in laminar flow models, the measure of force blood exerts against blood vessels walls, or the viscosity of the blood and resistance to blood flow?
• The superior and inferior venae cavae empty venous blood into what?
• What do the four pulmonary veins empty into?
• What are the 3 germ layers of an animal embryo and what does each give rise to? Which animal phylum has only 2 of these germ areas?
• What are the receiving chambers of the heart and what are the discharging chambers?
• What is the main pumping chamber of the heart?
• What is another name for the visceral pericardium?
• The fight-or-flight response in humans is activated by epinephrine. This hormone is secreted by what gland(s)?
• Tiny threads found in muscle fibers that contain myosin and actin are called what?
• When antibodies are produced by lymphocytes, the body is conducting what type of immunity?
• Which germ layer do you think gives rise to the human heart? Why do you think this?
• Are blood vessels tissues? What are some other examples of tissues?
• What are the three general cell shapes of epithelial tissue?
• How does blood become oxygenated blood in the body?
• Is peritonitis fluid around the heart? What causes this?
• Why is the heart a muscle and not an organ? Is it both an organ and a muscle?
• What is another name for the sternum? Where is this bone located?
• Does the endoderm of the blastocyst later develop into the epidermis?
• What structure separates the right side of the heart from the left side of the heart? Why is this structure important?
• Why are the walls of arteries proportionally thicker than those of the corresponding veins?
• What causes bulging the arm and hand veins?
• What causes varicose veins? Are they dangerous?
• How does obesity contribute to varicose veins?
• Is it normal for your veins to appear larger during pregnancy? If so, why?
• What does it mean if you have visible veins all over both sides of your hips?
• What causes veins to collapse when an IV is administered?
• What causes veins to sometimes pulsate?
• How are varicose veins treated?
• Why are the veins on my legs and thighs dark green?
• Do all veins carry oxygen-rich blood?
• Is having thin veins good, bad, or neutral for health?
• What is the difference between a vein and a venule?
• Why are varicose veins painful?
• Are there any veins in your lip?
• How do varicose veins affect blood pressure?
• How do varicose veins affect circulation?
• How does the hepatic portal vein differ from other veins?
• How does the pulmonary vein differ from other veins?
• What is the hepatic portal system?
• How does HIV affect the lymphatic system?
• How does the lymphatic system help provide immunity?
• How does the lymphatic system differ in structure from the veins?
• How do villi help the lymphatic system?
• How does elephantiasis affect lymphatic system?
• What does the lymphatic system consist of?
• What does the lymphatic system do?
• What is the lymphatic system?
• What is lymphatic system cancer?
• Why is the lymphatic system important?
• How does lymph move through the lymphatic system?
• Does the lymphatic system contain valves to prevent backward flow?
• Does the lymphatic system take up excess tissue fluid at the site of capillaries? Does it contain the same proteins as blood?
• What are the differences and similarities of the cardiovascular system and the lymphatic system?
• What exactly does the lymphatic system do to help protect the body?
• What organ systems are influenced by the lymphatic system?
• Are monosaccharides, amino acids, triglycerides, nucleic acids, or proteins absorbed by the lymphatic system?
• Does the lymphatic system transport red blood cells? Does it transport white blood cells?
• Are platelets part of the lymphatic system? Is the thymus?
• Are the hair and nails part of the lymphatic system?
• When fluid is collected by the lymphatic system, it is returned to what system?
• What can happen when your lymphatic system is weak?
• What vessel returns fluid from the lymphatic system to the circulatory system?
• Does the lymphatic system remove bacteria and viruses from the blood?
• What is the role of lymphatic system in the absorption of fats?
• In the ouchterlony test, what happened when the antibody to horse serum albumin mixed with horse serum albumin?
• What is the relationship between lymph and blood?
• Is lymph flow propelled by the contractions of the heart?
• Is one of the functions of the lymph to drain deoxygenated blood from the tissues and return it to the heart?
• What are the two basic structures that make up the lymphatic system?
• What would happen if the lymphatic System was not involved with the Circulatory System?
• Does the lymphatic system defend the body against disease?
• What is INR in coagulation studies?
• What do clotting proteins include?
• What is a plasma protein essential for blood coagulation?
• Is it abnormal to have pieces of coagulation in the menstrual blood?
• Why does blood clot outside our body? Why doesn't it clot inside our body?
• Are neutrophils granular leukocytes? Are they active in fighting bacterial infections?
• Does vitamin K serves as a(n) inhibitor, coenzyme, antagonist or carrier to various enzymes involved in the coagulation of blood?
• What is the term for the fluid portion of the blood after coagulation (clotting) occurs?
• How does the human body prevent blood clotting in the normal vascular system?
• What is fibrinolysis?
• What is the purpose of blood clotting?
• Why would hypocalcemia cause bleeding disorders? Why would hyperkalemia lead to bradycardia?
• How does aspirin help to reduce clotting? Does it reduce the red blood count, reduce platelet aggregation, reduce the platelet count, bind to fibrin, or inhibit thrombin?
• What is the name of a disease resulting from lack of or malfunctioning of hemoglobin in the blood?
• What vitamin in the blood is important for the role it plays in coagulation?
• What is the name of a hereditary disease in which the blood fails to coagulate?
• Blood, minus all the cells and fibrin is called what?
• What is the difference between PT, INR, and PTT?
• What is the relationship between diabetes and coagulation?
• What converts soluble fibrinogen to insoluble fibrin?
• Is the influence of blood vessel diameter on peripheral resistance insignificant because vessel diameter does not vary, or is it directly proportional to the blood vessel diameter?
• What does the peripheral nervous system do, compared to the nervous system?
• What causes loss of peripheral vision?
• What do posterior, medial, proximal, peripheral, and superficial mean?
• What is the function of the sensory division of the peripheral nervous system?
• In the cell membrane/plasma membrane/phospholipid bilayer, what do the peripheral and integral protein do?
• Is blood pressure greater when peripheral vessels constrict or dilate?
• Is peripheral vision in color or black and white?
• How does body position affect blood pressure?
• What prevents blood from mixing between atria and ventricles?
• How does the heart control the rate at which it beats?
• How does the heart function as a double pump?
• How can the heart increase cardiac output?
• How does a frog's heart differ from a human's heart?
• How does the heart affect the brain?
• How does the heart change its rate?
• What are some ways to keep the heart healthy?
• What are some examples of exercises helpful for the heart?
• What makes the heart get bigger?
• What causes the heart rate to be high?
• There are four major blood supplies entering or exiting the heart. For each of these four areas, where does the blood supply go to or come from, and what is the name of the blood vessel carrying the supply?
• When you do a headstand, does your heart rate increase or decrease, or does stroke volume increase or decrease, or does heart rate decrease and stroke volume increase?
• What happens during open heart surgery? Do they have to stop the heart?
• What are the causes, symptoms, and treatment for heart disease? How is it prevented?
• How does the human heart make blood?
• If the sinoatrial node fails in the heart does the heart stop beating, do the ventricles beat at a higher rate, can an artificial pacemaker correct the problem, or would it not affect the heartbeat at all?
• Where are nutrients and wastes exchanged between body cells and blood? What is the liquid part of the blood called?
• What are cells that help protect the body from disease called? Which chamber receives blood from the body?
• Blood from the lungs enters the heart through what vessels? Blood leaves the heart to begin its travels to the body through what vessel?
• When a blood clot becomes dislodged what is it called?
• How does blood move inside your heart? How does it move to the right and left ventricles, the lower chambers, the aorta, the major veins, and to the lungs?
• What could affect specific heart structures that in turn cause a malfunction in the flow of blood through the heart or the body?
• What mechanisms are in place to prevent the blood from flowing in the wrong direction through the heart?
• Is abnormal bulging of a vessel known as a/an atherosclerosis, aneurysm, or plaque?
• Which classifications of cancer is associated with cancer of blood-forming tissue?
• I am part of your heart. Blood from the right atrium comes to me. I force the blood into the pulmonary artery. What am I? I am the largest artery in your body. What am I?
• I am a tube that leads from the right ventricle and branches off into smaller arteries and capillaries in your lungs. What am I?
• I am a straw-colored liquid and i make up 55% of your blood. I am mostly made of water. What am I?
• I am a part of your heart. Blood returning from all parts of your body, except your lungs, comes to me first. What am I?
• Which side of the heart gets oxygen rich blood? Which part gets blood without oxygen?
• I am a chamber of your heart and blood rushes enters me through a valve at the left atrium. I contract and push blood into the Aorta. What am I?
• How does blood travel from the right atrium back to the right atrium?
• I am a tube. I carry blood to the left Atrium. What am I?
• Does the heart ever rest?
• How many times per day does your heart beat?
• What is it called when the heart beats very fast?
• What causes infection around the heart?
• Does a heart attack always leave scar tissue on the heart?
• Can the heart pump without the brain?
• What is reverse blood flow in heart chambers?
• Do arteries carry blood away from the heart? What about coronary arteries?
• How does alcohol affect the heart?
• How does sleep apnea affect the heart?
• How far can veins stretch?
• How do veins and arteries differ in structure?
• What veins are used for IV's?
• What veins carry deoxygenated blood?
• What veins carry oxygenated blood?
• Why are veins important?
• How do blood pressure pills work?
• How does the circulatory system help the endocrine system complete its function?
• Is the large vein that drains the head, shoulders, and empties the blood into the right atrium the portal vein, the subclavian vein, the superior vena cava, or the jugular vein?
• Question #d4347
• In the anatomical position, are the face and palms are on the anterior body surface; and the buttocks and shoulder blades are on the posterior body surface?
• What is connected to the right side of the heart and brings blood depleted of oxygen back to the lungs?
• Is the correct order of blood flow capillaries, arteries, arterioles, veins, venules; arterioles, arteries, capillaries, veins, venules; veins, venules, capillaries, arterioles, arteries; or arteries, arterioles, capillaries, venules, veins?
• Of the following organs, which one doesn't belong in the list: Heart, Pancreas, Spleen, Upper Kidney, or Liver? Why doesn't that organ belong in the list?
• B.J. has been diagnosed with a hypersecretory tumor of a parathyroid gland. What effect will this have on his renal tubule function?
• What part of the kidney maintains fluid balance?
• Do the atria receive blood returning to the heart? Does the myocardium receive its blood supply from the coronary arteries?
• What is kidney anatomy?
• Question #fa64f
• Does the lymphatic system absorb fat from the small intestine? Does it supply cells with oxygen and nutrients, and carry away carbon dioxide and wastes?
• Can your lymphatic system malfunction? Can it be harmed, or make you sick?
• Does the lymphatic system bind oxygen to hemoglobin? Does it return fluids to the circulatory system?
• Are the lymphatic system and immune system the same? If not, what is the function of the immune system?
• How is lymph formed, from blood until it is brought back into the cardiovascular circulatory system?
• Is the lymphatic system bi-directional?
• Does lymph contain proteins, fats, and white blood cells?
• What does lymph fluid contain?
• Question #0c1f7
• Why do arteries need thick, strong, elastic walls?
• Does a chest x-ray or a spine x-ray show clogged arteries or a bad heart?
• Where are the major arteries in your ears? If you puncture a major artery when you pierce your ear, will you die?
• How does blood pressure narrow or thicken arteries?
• Does blood in arteries always travel away from the heart, travel away from the heart only if it is oxygen-rich, travel toward the heart, travel from the lungs, or is it always oxygen rich?
• Why are the arteries present deep in the body?
• What does an vein have that and artery doesn't, and why is it so important?
• Do veins, arteries, venules, or pulmonary arteries carry blood away from the heart?
• Does artery blood contain waste material?
• How are arteries and veins connected?
• How arteries are adapted to their function?
• How do arteries carry blood?
• How can arteries contract and expand?
• How do arteries affect blood pressure?
• How do arteries change with age?
• How does nicotine affect arteries?
• How does plaque affect arteries?
• How does smoking affect arteries?
• What arteries feed the heart?
• What arteries supply blood to the myocardium?
• Why are arteries blue?
• Why are arteries important?
• Why are arteries red?
• Why are arteries red and veins blue?
• Why are arteries thicker than veins?
• Which tunic of an artery contains endothelium?
• Why is there a non-conducting layer between the atria and ventricles?
• What name is given to the sac, which surrounds and protects the heart?
• Does anyone know a fast easy way to memorize the arteries and veins in the body?
• What are the serous membranes covering the lungs?
• The walls of the heart are made of what tissue?
• What type of tissue lines the blood vessels?
• What are the four types of tissue and their functions?
• What are the 3 layers that make up the wall of the eyeball?
• What type of blood vessel enables the exchange of nutrients and gas between the blood and cells of the body?
• What is the purpose of the precardial sac that surrounds the heart in animals?
• What are the six heaviest organs in the human body?
• What attaches cuspid valve cusps to papillary muscles?
• What major veins lead into the left atrium?
• What is the major vein leading into upper right atrium?
• What vessel transports blood to the left lung?
• Is the heart located posterior or medial to the lungs?
• What is the relationship between the structure and function of arteries, capillaries, and veins?
• Which of the following is not an example of muscular tissue: The right ventricle of the heart, the Achilles tendon, the tissue lining the inside of the small intestine, or the pectoralis major?
• The ventricles pump deoxygenated blood to lungs at about how many mmHg? And into the ascending aorta at a pressure of about how many mmHg?
• Which ventricle's walls are thicker, the right or the left?
• Is the operation of the heart and blood vessels systemic physiology, cardiovascular anatomy, systemic anatomy, or cardiovascular physiology?
• Blood pressure is the measurement of what?
• What is the anatomy of the human heart? What is meant by anatomy?
• What heart valves are found between the upper and lower chambers of the right and left sides of the heart?
• What does the heart consist of or what is it mostly made up of?
• Is it true that the tricuspid valve is between the right atrium and ventricle, whereas the semilunar valve is between the left atrium and the ventricle?
• What is a bovine heart?
• What body cavity contains the lungs and heart?
• If a cell loses or ejects its nucleus, what is its fate and why?
• What is the function of the 3-chambered heart of an amphibian?
• In the systemic circuit, does blood returns to the heart via lymph vessels, arteries, capillaries, or veins?
• Is it true that your ring finger on the left hand goes directly to your heart?
• How many heart chambers are in a snake's heart?
• What is atrial fibrillation?
• The glomerulus belongs to what system, the excretory or circulatory?
• What is hardening of the glomerulus called?
• Which of the following is not filtered out of the blood by the glomerulus:red blood cells, electrolytes, water, or glucose?
• Where in the kidney are the glomerulus located?
• When molecules leave the glomerulus, they enter what portion of the nephron?
• What is the double-walled capsule around the glomerulus of the nephrons called?
• What is the impact of arteriosclerosis?
• How long do you have left to live with 20% heart function?
• How does the heart functions, with respect to the blood flow and heart chambers?
• What is the structure and function of the heart of a fish?
• What are the functions of the heart and kidney in clams?
• How is blood in the feet returned to the heart against the force of gravity?
• Can the heart function with leaky valves?
• A patient sustained a myocardial infarction 2 days ago. The cardiologist wants to assess left ventricular function. What test should the nurse anticipate the cardiologist will order?
• What is the function of the cardiac aorta? Is it a vein or artery?
• What is the function of the pulmonary valve? What is the function of the aortic valve?
• What is the function of cardiac muscles cells?
• Why are valves important in the heart?
• Why is the muscle of the left ventricle thicker than the muscle of the right ventricle?
• What is the function of heart in transporting blood?
• What is the function of Chordae Tendineae? Does it initiate heartbeat, carry blood to the heart muscle, or prevent the valves from inverting?
• How is the heart uniquely suited to its function?
• Assuming a heart stops beating, what cellular process will be affected from the loss of oxygen, blood glucose, and waste removal?
• Is adipose tissue found in the heart to store energy?
• How do valve deformities limit cardiac function?
• What special equipment is placed inside the heart and used as an impulse generator to make the heart function?
• Can someone get better from congestive heart failure?
• How would heart function be affected if the AV valves didn't completely close during ventricular contraction? What problems would the backflow create?
• Which system transports blood to all parts of the body?
• In simple terms, how does blood clot and what substances are involved?
• How does EDTA prevent blood samples from clotting? How does removing calcium from the sample keep it from clotting?
• What is the blood clotting process known as coagulation?
• Why does chelation of calcium prevent blood clotting?
• What is another word for platelets?
• What is the role of the liver in blood clotting?
• How do platelets assist in blood clotting?
• What converts fibrinogen to fibrin?
• When ice is applied to an injured area, blood clotting occurs. What may be the possible reason behind this?
• Are platelets, proteins, and vitamin K all required for homeostasis?
• What is the clinical importance of estimating bleeding time and coagulation time? What are the normal levels of bleeding time and coagulation time of different species of animals?
• Which vitamin help in blood clotting?
• Is fibrinogen converted to fibrin via thrombin?
• What are enzyme cascades?
• What is hemoglobin, and does it help with blood clotting?
• Small colorless cell fragments that initiate blood clotting are known as what?
• Are there any foods that can help clot blood for people with bleeding disorders?
• Is type O blood the universal recipient or the universal donor or both?
• Why doesn't donated blood clot while it's in the bag? Or does it?
• Is alcohol a blood thinner? Are there "natural" blood thinners?
• What is HELLP syndrome?
• How is blood stored/preserved to avoid it from clotting?
• Can high amounts of sodium cause blood clots?
• A fetus has a special type of hemoglobin. What is this called?
• What are the health benefits of vitamin K?
• What are some examples of transgenic organisms?
• From which parent do sons inherit their blood-clotting gene?
• What is a normal heart rate for an 8-year-old?
• Do beta blockers reduce your heart rate?
• How many beats per minute is a normal pulse?
• Is your heart rate faster when you are standing than it is when you are sitting?
• An abnormally slow heart rate is called bradycardia. An abnormally fast heart rate is called tachycardia. What is a normal heart rate called?
• What is a normal heart rate for a unborn baby at 37 weeks?
• As a general rule, does the heart rate of an animal increase or decrease with size? Is there a certain pattern?
• What is a normal heart rate for a child after taking albuterol? Would the heart rate typically go up or down?
• What is the normal pulse rate for a women in each of the 1st, 2nd & 3rd trimesters of pregnancy?
• How do I calculate my normal heart rate?
• How does pulse differ from blood pressure?
• How does pulse rate relate to heart rate?
• What are the three main types of vessels in the circulatory system?
• Which blood type donor can give blood to a patient with type O blood: A, B, O, or AB?
• Besides the main roles of circulating blood, ridding the body of wastes, and circulating nutrients throughout the body, what are some secondary functions of the circulatory system?
• Is interstitial fluid returned to the circulatory system through the lymphatic system?
• What type of blood vessels are one cell wide and are the connections between the other two types of blood vessels?
• There are several forms of this kind of blood cell. Each of them aids in the fight against disease in the body. What type of blood cell is this?
• What type of blood cells contain hemoglobin, which binds with oxygen, and allows these cells to carry oxygen to the parts of the body that needs it?
• What is the flap of connective tissue between an atrium and a ventricle that prevents blood from flowing back called?
• What are four things that the circulatory system transports around your body?
• How is the stomach involved in the circulatory and nervous systems?
• What are some examples of open circulatory systems? How does the open circulatory system work?
• How can some small multicellular organisms function without a closed circulatory systems?
• Starting from the lungs, where does a drop of blood go?
• RBCs pick up oxygen from lungs and deliver it to the tissues: why is it not the other way around?
• What term refers to an unborn child who is distinctly recognizable as a miniature baby?
• Question #59932
• Question #3c9f6
• Is there any difference between the wall of atria and the wall of ventricles?
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• How does Raynaud Syndrome affects the body?
• Question #4c45c
• Distinguish between pulmonary artery and pulmonary vein?
• Which heart chamber pumps unoxygenated blood out the pulmonary trunk?
• What is sinoatrial node and what is its function?
• A RH negative father has a RH negative son. What is the possibility of other children being RH negative? May we then conclude that the son's mother is also negative?
• What are capillaries?
• Question #3ee77
• What are the smallest blood vessels in the human body?
• What is the difference between oxygenated and deoxygenated blood?
• What causes cardiac disease?
• What are the three distinct types of blood vessels? Describe each in few sentences.
• Why are capillaries only one cell thick?