Question

Which statement best describes the function of capillaries, arteries, and veins in the circulatory system? A. Capillaries deliver blood to individual cells; arteries bring oxygen-depleted blood back to the heart; veins deliver oxygen-rich blood to the heart. B. Capillaries deliver oxygen-rich blood to the heart; arteries bring oxygen rich-blood away from the heart; veins deliver blood to individual cells. C. Capillaries deliver blood to individual cells; veins generally deliver oxygen-depleted blood to the heart; arteries generally bring oxygen-rich blood away from the heart. D. Capillaries bring oxygen-rich blood away from the heart; arteries deliver blood to individual cells; veins deliver oxygen-rich blood to the heart.

Answer 1

The answer is a. The arteries are red and transfer blood to the heart. Veins are blue and transfer blood away from the heart and to all of the different parts of the body. The capillaries are in-between the veins and arteries and provide blood to cells.

Answer 2

The CORRECT answer is C. Capillaries deliver blood to individual cells; veins generally deliver oxygen-depleted blood to the heart; arteries generally bring oxygen-rich blood away from the heart.