Question

151 Distinguish between
Artery
and
vein​

Answer 1

Answer:

Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

Veins have a relatively thin layer of smooth muscle in the wall, and often the veins have a misshapen or collapsed look, whereas arteries maintain a tight cylindrical shape. Veins also have valve flaps to keep the blood from moving backward in the vessel. These valves resemble the semilunar valves of the heart

Answer 2

Answer:

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