Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Like fingerprints, everyone's tongue print is different!
71
Only 1% of bacteria cause disease in humans!
2
The tongue is the strongest muscle in the human body.
50
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
On average, there's 100 billion neurons in the human brain.
83
There are more bacteria in your mouth than there are people in the world.
60
Surgeons who listen to music during operations perform better than those who don't .
87
