One human hair can support 3 ounces.
191
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
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.
21
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A human being loses an average of 40 to 100 strands of hair a day.
133
A person can live without food for about a month, but only about a week without water.
156
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198