The expansion of capillaries close to the surface of the skin to cool the body is called:

A. Vasoconstriction
B. Cardiac output
C. Vasodilation
D. Vena cava



Answer :

Final answer:

Vasodilation is the expansion of skin capillaries to cool the body by dissipating heat into the environment.


Explanation:

Vasodilation is the expansion of capillaries close to the skin's surface to allow heat to be dissipated into the atmosphere, cooling the body. This process is essential for regulating body temperature and involves the widening of blood vessels in the skin.


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