Your body is creating and killing about 2.4 million red blood cells per second.
17
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
Every year your body replaces 98% of your atoms.
119