Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The average person's skin weighs twice as much as their brain.
131
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
It takes about 20 seconds for a red blood cell to circle the whole body.
102