In the average lifetime a person will breath in about 44 pounds of dust.
21
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The first patented condom was meant to be reused!
47
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
The average human body contains enough iron to make a small nail.
50
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
Those who get out of bed by 7am are more likely to be thinner and happier.
20