The human brain doesn't stop developing until about 25 years old.
102
Every year your body replaces 98% of your atoms.
119
The human brain has the capacity to store everything that you experience.
4k
Enamel is hardest substance in the human body.
61
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your heart will pump about 212 million liters in its lifetime.
26