If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The average sperm cell swims at 8 inches per hour.
76
One human hair can support 3 ounces.
191
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193