8 Things Your Body Does That You Can't Control! | COLOSSAL QUESTIONS 

8 Colossal Questions all about the things our bodies do!
0:00 Should You Pop Pimples?
3:24 Why Do Onions Make Us Cry?
4:56 What's So Funny About The Funny Bone?
6:22 Why Does Helium Make Your Voice High?
8:26 Why Do Girls Have Higher Voices?
10:03 Why Does Scratching An Itch Feel Good?
11:54 Why Are Some People Double-Jointed?
13:56 Why Do We Have Different Blood Types?
Welcome to Colossal Cranium where you can find endless answers to all of life's most pressing questions!