Have you ever wondered what happens to the human body when it's happy? This is the science behind happiness! What makes you happy? Let us know in the comments! Click here to see more videos: http://www.m301.me/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. Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.LifeNoggin Life Noggin Team: Animation by: http://www.krofl.com Voiced by: http://youtube.com/patdoesit Written by: https://www.youtube.com/AwkwardAdolescents Produced by: http://www.twitter.com/IanDokie