: Why do we really get goosebumps?

883 views

[ad_1]

: Why do we really get goosebumps?

In: Biology
[ad_2]

Your skin hairs have muscles whose purpose is to make them stand up. In our much hairier ancestors, this had a dual purpose–it would make the fur much thicker and thus better at trapping heat in the cold, and it would also make the animal look larger and more threatening. Humans still have the same instinct to raise their hair if they’re afraid or cold, but because we have so little hair, we just see visible bumps on the skin instead.