Your tongue is the only muscle in your body that is attached at only one end.
173
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
About 400 different kinds of microbes live on and in the human body.
-3
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Your thumb is about the same size as your nose.
124
Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
