Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The world's shortest man measures only 21.5 inches.
73
The human eye blinks an average of 4,200,000 times a year.
233
On average a woman has 4 sexual partners in her lifetime.
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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
Babies crawl an average of 200m a day.
212
Poor eyesight (myopia) is associated with higher IQ.
232