Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
About 400 different kinds of microbes live on and in the human body.
-3
The heart pumps about 1 million barrels of blood during an average lifetime!
30
Only 1% of bacteria cause disease in humans!
2
There are more bacteria in your mouth than there are people in the world.
60
Panophobia is the fear of everything.
52
A person can live without food for about a month, but only about a week without water.
156