Which of these mechanisms does NOT help to maintain body temperature on hot days
A)decreased muscle tone
B)vasoconstriction of skin vessels
C)sweating
D)vasodilation of skin vessels

Question

Quizplus · Accepted Answer

Vasoconstriction of skin vessels does not help to maintain body temperature on hot days; it would actually conserve heat. Vasoconstriction reduces blood flow to the skin, which decreases heat loss. In contrast, mechanisms like sweating and vasodilation help to release heat.

Which of These Mechanisms Does NOT Help to Maintain Body