In one day, adult lungs move about 10,000 litres of air.
11
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The human sigh acts as a physiological reset button.
23
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22