If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
Your ribs move about 5 million times a year, every time you breathe!
60
In Nepal, cow dung is used for medicinal purposes.
19
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
In one day, adult lungs move about 10,000 litres of air.
11
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
