When you’re cold, chances are, you start to shiver. Why does your body do this? Watch More: Why Do We Cry? ►►►► https://www.youtube.com/watch?v=SbbY-6rUykg Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios?ty=h Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://www.youtube.com/user/lifenoggin Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore it all and have a ton of fun doing it. Life Noggin Team: Animation by Steven Lawson Director/Voice: http://lifenogg.in/patgraziosi Executive Producer: http://lifenogg.in/IanDokie Director of Marketing: http://lifenogg.in/JaredOban Writer: http://lifenogg.in/KayleeYuhas Sources: http://www.ncbi.nlm.nih.gov/pubmed/17929604 https://www.sciencedaily.com/releases/2007/12/071217111007.htm http://www.npr.org/sections/health-shots/2015/10/30/452984579/why-do-we-get-goose-bumps http://www.nih.gov/news-events/nih-research-matters/shivering-triggers-brown-fat-produce-heat-burn-calories http://www.cell.com/cell-metabolism/fulltext/S1550-4131(14)00006-0 http://www.nih.gov/news-events/nih-research-matters/shivering-triggers-brown-fat-produce-heat-burn-calories