Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If your DNA was stretched out it would reach to the moon 6,000 times.
256
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149