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Goose bumps

From Simple English Wikipedia, the free encyclopedia

Goose bumps, also known as piloerection, are caused by the contraction of tiny muscles called arrector pili muscles located at the base of hair follicles.[1]

References

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  1. ↑ "What goosebumps are for | National Institutes of Health (NIH)". www.nih.gov. Retrieved 2025-10-28.
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