Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
When you take a step, you are using up to 200 muscles.
886
Every year your body replaces 98% of your atoms.
119
One human hair can support 3 ounces.
191
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human body contains over a billion miles of DNA.
147
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111