I’ve noticed that when I’m really cold or sometimes when I’m scared, I get these tiny bumps all over my skin, which I think are called goosebumps. Why does this happen? What’s the biological reason behind it?
In: Biology
The fear reaction is the same as when a dog or cat raises its hackles when threatened. It makes them look larger and more intimidating, it’s just that we aren’t covered in fur anymore so it’s not obvious.
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