What is the difference between the pulmonary artery and veins?

1 Answer
Kate M. · Anonymous
Jul 3, 2017

Arteries have a thick wall, whereas veins have thin walls. Pulmonary artery, though it carries deoxygenated blood, it has thick walls to support the high pressure with which blood is sent away from the heart.

Explanation:

Arteries have a thick wall, whereas veins have thin walls. Arteries carry blood away from the heart and veins carry blood to the heart. Arteries do not have valves and they are found more deeply in the body than veins are.

http://humananatomylibrary.com/artery-vs-vein/

Pulmonary artery, though it carries deoxygenated blood, it has thick walls to support the high pressure with which blood is sent away from the heart. It is an artery because it carries blood away from the heart.

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