Question

multiple choice question what is the inner lining of an artery called? o tunica interna o endothelial tunica o tunica externa o tunica media

Explanation:

Arteries have three - layer walls. The innermost layer is the tunica interna. It is composed of a single layer of endothelial cells that provide a smooth surface for blood flow and help in preventing blood clotting.

Answer:

A. Tunica interna