All blood vessels are lined with

Name: All blood vessels are lined with
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Question

Quizplus · Accepted Answer

All blood vessels are lined with endothelial cells, which form a smooth inner layer that helps to regulate blood flow and prevent clotting. The tunica externa is the outer layer of blood vessels, smooth muscle is found in the walls of arteries and veins, and elastin is a protein that provides elasticity to blood vessel walls.

All Blood Vessels Are Lined with