Which statement is true of the vasoconstriction of the blood vessels to the skin?
A) It is coordinated by the sympathetic nervous system.
B) It lowers heat exchange with the environment.
C) It occurs when core body temperature is elevated.
D) It lowers heat exchange with the environment and is coordinated by the sympathetic nervous system

Question

Quizplus · Accepted Answer

Vasoconstriction of the blood vessels to the skin is coordinated by the sympathetic nervous system and lowers heat exchange with the environment. This helps to conserve heat and maintain core body temperature when external temperatures are low.

Which Statement Is True of the Vasoconstriction of the Blood