Answers edited by Lanilyn L.

• Back to user's profile
• Is movement of food through the gastrointestinal tract aided mostly by pressure from more food, by gravity, or by smooth muscles?
  
• What is the difference between B-lymphocytes and T-lymphocytes?
  
• Question #85c70
  
• What might if we had simple squamous instead of stratified squamous epithelium on our skin? happen?