If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
There are about 1,400 different species of bacteria in your belly button.
10
The human body contains over a billion miles of DNA.
147
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
A human being loses an average of 40 to 100 strands of hair a day.
133
In one day, adult lungs move about 10,000 litres of air.
11
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99