If your DNA was stretched out it would reach to the moon 6,000 times.
256
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
One human hair can support 3 ounces.
191
The average sperm cell swims at 8 inches per hour.
76
When you take a step, you are using up to 200 muscles.
886
The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22