If your DNA was stretched out it would reach to the moon 6,000 times.
256
One human hair can support 3 ounces.
191
When you take a step, you are using up to 200 muscles.
886
The average sperm cell swims at 8 inches per hour.
76
It takes about 20 seconds for a red blood cell to circle the whole body.
102
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Chewing gum boosts your brain power.
285