Enamel is hardest substance in the human body.
61
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Our Right Lungs takes more air than our left lung.
194
Your body is creating and killing about 2.4 million red blood cells per second.
17
Chewing gum boosts your brain power.
285
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