The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Midgets and dwarfs almost always have normal sized children.
54
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Your body is creating and killing 15 million red blood cells per second!
14
Smokers get ten times more wrinkles than non-smokers.
171
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16
The human brain is insensitive to pain.
76