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In Biology / College | 2025-07-04

What is the result of the contraction of the arrector pili muscles?
A. Sweating
B. Nail growth
C. Goosebumps
D. Tanning

Asked by soniage1975

Answer (2)

The contraction of the arrector pili muscles causes goosebumps, which occurs in response to cold or emotional stimuli. This physiological reaction helps insulate the body and can also serve as a defense mechanism. Although primarily advantageous for animals, humans retain this response today. ;

Answered by GinnyAnswer | 2025-07-04

The contraction of the arrector pili muscles leads to goosebumps, which occur in response to cold temperatures or emotional stimuli. This reaction helps insulate the body and is an inherited trait from our evolutionary ancestors. Therefore, the correct answer to the question is C. Goosebumps.
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Answered by Anonymous | 2025-07-22

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