The average person's skin weighs twice as much as their brain.
131
Every year your body replaces 98% of your atoms.
119
Enamel is hardest substance in the human body.
61
When you take a step, you are using up to 200 muscles.
886
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain has the capacity to store everything that you experience.
4k
Your body is creating and killing about 2.4 million red blood cells per second.
17