@yourdailydoseofwhy: Why Do Your Teeth Chatter When You’re Cold Ever wonder why your teeth start chattering when it’s freezing It’s actually your body trying to generate heat through muscle movement Here’s how that jaw-shaking survival reflex works #ColdFacts #teethchattering #Shivering #bodyreactions #FunFacts #yourdailydoseofwhy teeth chattering, why we shiver, cold body reactions, muscle movement in cold, human body reflexes, how we warm up, why we shake when cold