It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A human being loses an average of 40 to 100 strands of hair a day.
133
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If you hold farts in during the day, they'll just come out when you sleep.
16
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.
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59