Which blood vessel structure is only found in veins?
A)elastic layer
B)basement membrane
C)smooth muscle
D)valve
E)endothelium

Name: Which blood vessel structure is only found in veins? A)elastic layer B)basement membrane C)smooth muscle D)valve E)endothelium
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Question

Quizplus · Accepted Answer

Valves are found only in veins and not in arteries or capillaries. These valves ensure that blood flows in one direction towards the heart and prevents backflow.

Which Blood Vessel Structure Is Only Found in Veins