If your DNA was stretched out it would reach to the moon 6,000 times.
256
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
The human sigh acts as a physiological reset button.
23
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118