Your heart will pump about 212 million liters in its lifetime.
26
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
When you take a step, you are using up to 200 muscles.
886
Most dreams last only 5 to 20 minutes.
79
Enamel is hardest substance in the human body.
61
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
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15