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Why do I suddenly get goosebumps?
Questioner:Charlotte Murphy 2023-06-08 19:19:27
The most authoritative answer in 2024
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Lucas Kim——Studied at Seoul National University, Lives in Seoul, South Korea.
These bumps are caused by a contraction of miniature muscles that are attached to each hair. Each contracting muscle creates a shallow depression on the skin surface, which causes the surrounding area to protrude. The contraction also causes the hair to stand up whenever the body feels cold.
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