In a cross section through an artery and vein running parallel in your leg,which would be the artery?
A)the vessel with the largest interior diameter
B)the vessel with more muscle tissue in the wall
C)the vessel lined with endothelium
D)the vessel with valves to prevent backflow
E)All of the above answers apply.

Question

Quizplus · Accepted Answer

Arteries have thicker walls containing more muscle tissue to withstand the high pressure of blood flow. In contrast, veins have thinner walls with less muscle tissue and contain valves to prevent backflow. The interior diameter and lining with endothelium are not definitive characteristics to distinguish between an artery and vein.

In a Cross Section Through an Artery and Vein Running