You see your nose at all times, your brain just chooses to ignore it.
30
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
The human brain doesn't stop developing until about 25 years old.
102
In one day, adult lungs move about 10,000 litres of air.
11
The average sperm cell swims at 8 inches per hour.
76
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Within three days of death, the enzymes that once digested your food begin to eat you.
22