One human hair can support 3 ounces.
191
Enamel is hardest substance in the human body.
61
Poor eyesight (myopia) is associated with higher IQ.
232
Your heart will pump about 212 million liters in its lifetime.
26
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118