In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
There are about 1,400 different species of bacteria in your belly button.
10
A person can live without food for about a month, but only about a week without water.
156
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112