Which of the following statements about blood vessels is TRUE?

A. Blood vessels receive their oxygen and other nutrients from the blood flowing through them.
B. Gas and nutrient exchanges between the blood vessels and tissues occurs only in the capillaries.
C. Arterial walls are generally thinner and contain less elastic tissue than venous walls.
D. Veins have smaller lumens than those of comparable arteries.
E. All blood vessels have three coats or tunics.


Answer: B. Gas and nutrient exchanges between the blood vessels and tissues occurs only in the capillaries.

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

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