About 400 different kinds of microbes live on and in the human body.
-3
40% of all indigestion remedies sold in the world are bought by Americans.
8
Chewing gum boosts your brain power.
285
The human heart creates enough pressure to squirt blood 30 ft.
37
The right lung takes in more air than the left.
30
The average person who stops smoking requires one hour less sleep a night.
79
