The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A man's beard grows fastest when he anticipates sex.
239
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human body contains over a billion miles of DNA.
147
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
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
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