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Which of the following is the body's natural protective mechanism against heat loss?

A. Respiration and constriction of blood vessels in the skin.
B. Vasodilation and respiration.
C. Constriction of blood vessels in the skin and shivering.
D. Shivering and vasodilation.

Sagot :

GinnyAnsweridn

Final answer:

Blood vessels constrict to conserve heat; shivering generates heat.


Explanation:

Blood vessels constrict to conserve heat, while shivering generates heat, warming the body. These mechanisms help maintain body temperature through vasoconstriction and involuntary muscle contractions.


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