The capacity of mammals to raise their hair e | vedclass

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Question

(C) The muscles attached to hair follicles are called $arrector$ $pili$ muscles. When these muscles contract,the hair stands erect (piloerection). Thi

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Greater insulation for preservation of body heat

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(C) The muscles attached to hair follicles are called $arrector$ $pili$ muscles. When these muscles contract,the hair stands erect (piloerection). This action traps a layer of air near the skin surface. Since air is a poor conductor of heat,this trapped layer acts as an insulator,helping to reduce heat loss from the body and preserve body heat in cold conditions.

The capacity of mammals to raise their hair erect by muscles attached to hair follicles is primarily concerned with

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