The material present in arterioles that is not present in capillaries is (A) a lining of endothelial cells. (B) white blood cells

The material present in arterioles that is not present in capillaries is (A) a lining of endothelial cells. (B) white blood cells and platelets. (C) fully oxygenated blood. (D) circular smooth muscle cells that can alter the size of the arterioles. (E) plasma in which carbon dioxide has been added.

Answers

answer is D .

Explanation:

Arterioles have thick walls qhile capillaries have a single-celled wall.

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