The human eye blinks an average of 4,200,000 times a year.
233
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
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.
34
It takes about 20 seconds for a red blood cell to circle the whole body.
102