If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
A person can live without food for about a month, but only about a week without water.
156
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Your body is creating and killing about 2.4 million red blood cells per second.
17
One human hair can support 3 ounces.
191