About 400 different kinds of microbes live on and in the human body.
-3
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Wearing tight pants can lead to impotence in men.
120
Your thumb is about the same size as your nose.
124
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Those who get out of bed by 7am are more likely to be thinner and happier.
20
Human teeth are almost as hard as rocks!
47
Chewing gum boosts your brain power.
285