Every year your body replaces 98% of your atoms.
119
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
Enamel is hardest substance in the human body.
61
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266