Question

question 8 of 10 which of the following is part of veins and not arteries? tunica intima tunica media valves tunica adventitia

Explanation:

Veins have valves to prevent the back - flow of blood. Arteries do not have valves as the high pressure of blood flow from the heart keeps blood moving in one direction. The tunica intima, tunica media, and tunica adventitia are layers present in both veins and arteries, though with some structural differences.

Answer:

C. Valves