11 Colossal Questions all about the weirdest things our bodies can do!

0:00 Why Do Songs Get Stuck In Our Head?
2:17 Why Do We Get Brain Freeze?
3:37 Why Do We Blush?
5:25 Why Do You Get Sunburns?
7:25 Why Don't People Have Tails?
9:26 Why Do We Get “Hangry”?
11:48 Why Do We Talk in Our Sleep?
13:38 What Causes Freckles?
16:11 Can You Sneeze With Your Eyes Open?
18:03 Why Can You See Your Breath When It's Cold?
20:01 Why Do We Have Eyebrows?