You see your nose at all times, your brain just chooses to ignore it.
30
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain doesn't stop developing until about 25 years old.
102
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
In one day, adult lungs move about 10,000 litres of air.
11
Within three days of death, the enzymes that once digested your food begin to eat you.
22
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217