All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Your heart will pump about 212 million liters in its lifetime.
26
Every year your body replaces 98% of your atoms.
119
The average sperm cell swims at 8 inches per hour.
76
Enamel is hardest substance in the human body.
61
Poor eyesight (myopia) is associated with higher IQ.
232