A person can live without food for about a month, but only about a week without water.
156
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
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
The average person's skin weighs twice as much as their brain.
131
In one day, adult lungs move about 10,000 litres of air.
11
Your body is creating and killing about 2.4 million red blood cells per second.
17