Fingernails grow nearly 4 times faster than toenails.
31
Fingernails grow fastest on the hand you favor.
44
Unlike dogs, pigs, and some other mammals, humans cannot taste water. They taste only the chemicals and impurities in the water.
95
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
The heart pumps about 1 million barrels of blood during an average lifetime!
30
When your face blushes, the lining of your stomach turns red, too.
154
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Dieters who sleep more take off more fat that those who sleep less.
159