Why do we get goosebumps when we’re scared or cold? It’s like our skin has a mind of its own!
In: Biology
Humans used to have fur. Like u/123numbersrule says when the hair(was fur) stands up on its end it becomes a better insulator. This is also why fear makes makes us get goosebumps. Our body is trying to fluff our fur up and make us look bigger to frighten the bad thing away.
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