What is the job of the arrector pili muscle how is this related to the phenomenon called goosebumps?

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asked Mar 16, 2018 186k views

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Jarrett Barnett · Answer 1 · 2018-03-20T14:07:58+0000

The arrector pili muscle is the muscle connected to our, and all mammals, hair follicles. When it contracts it causes the hair to become erect causing a "goosebump."

What is the job of the arrector pili muscle how is this related to the phenomenon called goosebumps?

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