If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Your tongue is the only muscle in your body that is attached at only one end.
173
There's 100 trillion good bacteria living in your body.
17
Chewing gum boosts your brain power.
285
The right lung takes in more air than the left.
30
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
If you stop working out, it takes twice as long to lose strength than it took to gain it.
16