Vestigial Human Body Parts You Didn't Know
Sunday, Aug 16, 2020, 1:41 pm
#5 Arrector Pili
This is what makes you have goose bumps and your hair to stand up on end, but we do not actually need that to happen. However, it evolved as it was a way for an animal to make itself look bigger than it actually is, so it harks back to the days when we were the hunted and not the hunter.