The average sperm cell swims at 8 inches per hour.
4
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human eye blinks an average of 4,200,000 times a year.
233
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If the human eye was a digital camera, it would have 576 megapixels.
25
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
Yawns are more contagious among people with closer relationships.
163