Your heart will pump about 212 million liters in its lifetime.
26
Human hair and fingernails continue to grow after death.
7
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
In the average lifetime a person will breath in about 44 pounds of dust.
21
Your tongue is the only muscle in your body that is attached at only one end.
173
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