We blink 25 times a minute.
51
Within three days of death, the enzymes that once digested your food begin to eat you.
22
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The right lung takes in more air than the left.
30
Every time you lick a stamp, you're consuming 1/10 of a calorie!
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
Pain travels through the body at 350 feet per second!
23
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45