Your heart will pump about 212 million liters in its lifetime.
26
The average human body contains enough iron to make a small nail.
50
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
A toothbrush within 6 feet of a toilet can get airborne bacteria from flushing.
15
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
One quarter of the human brain is used to control the eyes.
43
There are about 1,400 different species of bacteria in your belly button.
10