There's 100 trillion good bacteria living in your body.
17
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
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
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Drinking banana milkshake is a perfect cure for hangover.
21
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
In Japan, condoms are commonly sold 'door to door'!
54

