Question

When contrasting arteries and veins ,which of the following statements is true?
A. Veins have thicker walls than arteries.
B. Arteries have a thicker tunica media than veins.
C. Veins have a tunica media while arteries do not.
D. Arteries have valves, but veins do not.
E. Arteries have smooth muscle in their walls, but veins do not.

Answer 1

B. Arteries have a thicker tunica media than veins

Answer 2

Arteries have a thicker tunica media than veins.

Do arteries have the thickest tunica media?

Arteries have the thickest tunica media (allowing stretch/recoil and vasoconstriction), veins have relatively thick tunica adventitia, and capillaries are the thinnest (allowing exchange of materials).

Do veins have thick tunica media?

The middle coat is composed of a thick layer of connective tissue with elastic fibers, intermixed, in some veins, with a transverse layer of muscular tissue.

To learn more about tunica media , here

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