One quarter of the bones in your body are in your feet!
36
Your heart pumps about 2,000 gallons of blood each day!
53
It takes about 20 seconds for a red blood cell to circle the whole body.
102
In Nepal, cow dung is used for medicinal purposes.
19
Dieters who sleep more take off more fat that those who sleep less.
159
It is possible to go blind from smoking too heavily.
50
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22