mikejimboslee mikejimboslee

16-09-2021
Biology

contestada

describe how the sweat glands and the hair erector muscles function in mammals when the external environment is hot

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alexperkins216 alexperkins216

16-09-2021

Answer:

They lie flat when we are warm, and rise when we are cold. The hairs trap a layer of air above the skin, which helps to insulate the skin against heat loss. For example, if we become too cold, the hair erector muscles contract.

Explanation:

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