When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Your body is creating and killing about 2.4 million red blood cells per second.
17
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
One human hair can support 3 ounces.
191
Every year your body replaces 98% of your atoms.
119
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886