Banging your head against a wall uses 150 calories an hour.
57
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Every day, the average person swallows about a quart of mucous.
5
Pain travels through the body at 350 feet per second!
23
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Dentists have recommended that a toothbrush be kept at least 6 feet away from a toilet to avoid airborne particles resulting from the flush.
104
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
Fingernails grow nearly 4 times faster than toenails!
30