Enamel is hardest substance in the human body.
61
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
If your DNA was stretched out it would reach to the moon 6,000 times.
256
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Our Right Lungs takes more air than our left lung.
194