Every year your body replaces 98% of your atoms.
119
The average person's skin weighs twice as much as their brain.
131
When you take a step, you are using up to 200 muscles.
886
One human hair can support 3 ounces.
191
Chewing gum boosts your brain power.
285
Your heart will pump about 212 million liters in its lifetime.
26
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your body is creating and killing about 2.4 million red blood cells per second.
17