Enamel is hardest substance in the human body.
61
When you take a step, you are using up to 200 muscles.
886
Chewing gum boosts your brain power.
285
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Poor eyesight (myopia) is associated with higher IQ.
232
Our Right Lungs takes more air than our left lung.
194