It takes about 20 seconds for a red blood cell to circle the whole body.
102
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
In one day, adult lungs move about 10,000 litres of air.
11
Only humans shed emotional tears.
331
Gorillas can catch human colds and other illnesses.
205
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
All 13 minerals necessary for human life can be found in alcohol beverages.
282