The Function of Tunica Externa is to

Question

The function of tunica externa is to .
A) expand and recoil easily
B) support and protect the vessel
C) provide a smooth surface for blood flow

Accepted Answer

The tunica externa (also known as tunica adventitia) is the outermost layer of a blood vessel, designed to support and protect the vessel. It is composed of connective tissue that helps anchor the vessel to surrounding structures.