If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
A person can live without food for about a month, but only about a week without water.
156
Within three days of death, the enzymes that once digested your food begin to eat you.
22
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The average person's skin weighs twice as much as their brain.
131
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
If you are cold you are more likely to be hungry because you use energy to keep warm.
144