Every hour one billion cells in the body must be replaced.
17
According to one report, it would take 800 marijuana joints to kill a person - but the cause of death would be carbon monoxide poisoning.
176
By weight, Bone is five times stronger than steel.
417
The human body contains over a billion miles of DNA.
147
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Your tongue is the only muscle in your body that is attached at only one end.
173
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16