Only 1% of bacteria cause disease in humans!
2
There are 206 bones in the human body!
-17
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
You see your nose at all times, your brain just chooses to ignore it.
30
About 400 different kinds of microbes live on and in the human body.
-3
The average female will have 3.3 pregnancies in her life.
49
Your body is creating and killing 15 million red blood cells per second.
50
The right lung takes in more air than the left.
30