If the human eye was a digital camera, it would have 576 megapixels.
25
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The human sigh acts as a physiological reset button.
23
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
In one day, adult lungs move about 10,000 litres of air.
11