Question

Which of the following is the site of exchange of oxygen and nutrients between the blood and body cells?
a. muscular arteries
b. veins
c. capillaries
d. metarterioles

Answer 1

Answer:

C. Capillaries

Explanation:

Capillaries are the smallest component of the circulatory system, they are the smallest blood vessels. Their main function is to distribute oxygenated blood from arteries to body cells and tissues. As well, they help carrying deoxygenated blood from the tissues back into the veins.