Permalink
White Coat: Random Facts About Goose Bumps (Not the R.L. Stine Masterpiece Collection)
Reblogged from white-coat-deactivated20111012-
What causes you to get goose bumps? Whatever the stimuli (scary movie, creepy moment, etc.) the result is always the same. Your hair follicles are controlled by tiny muscles called erector pili which are innervated by your sympathetic nervous system. So when you get scared or cold or creeped out…
