The human sigh acts as a physiological reset button.
23
The human eye blinks an average of 4,200,000 times a year.
233
A person can live without food for about a month, but only about a week without water.
156
Pain occurs when sounds are above 130 db.
124
In one day, adult lungs move about 10,000 litres of air.
11
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
If the human eye was a digital camera, it would have 576 megapixels.
25
Only humans shed emotional tears.
331