Your tongue is the only muscle in your body that is attached at only one end.
173
You can alleviate a tickly throat by scratching your ear.
9
The average human body contains enough iron to make a small nail.
50
More people use blue toothbrushes, than red ones!
66
Smokers get ten times more wrinkles than non-smokers.
171
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37