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Biological Sciences

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The Integumentary, Skeletal and Muscular Systems

Question
5 out of 10
 

Under which conditions would normal human body cooling mechanisms work best?

A Temperature 80oF, humidity 95%
B Temperature 80oF, humidity 35%
C Temperature 100oF, humidity 50%
D Cooling mechanisms are unaffected by the humidity and/or temperature, and will work just as efficiently under all of the stated conditions.
Ans. B

The major cooling mechanisms are sweating and vasodilation. The efficiency of sweating decreases as the humidity increases, and vasodilation becomes less effective as the temperature rises, and counterproductive if it rises above body temperature. So, the conditions with the lowest humidity and temperature would allow the most efficient functioning.

The Integumentary, Skeletal and Muscular Systems Flashcard List

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