There are more bacteria in your mouth than there are people in the world.
60
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
More people use blue toothbrushes, than red ones!
66
Your thumb is about the same size as your nose.
124
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
