It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Enamel is hardest substance in the human body.
61
If your DNA was stretched out it would reach to the moon 6,000 times.
256
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Every year your body replaces 98% of your atoms.
119
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118