5.At the moment of conception, you spent about half an hour as a single cell.
6.In a lifetime, the average person produces about 25,000 quarts of saliva, enough to fill two swimmingpools.
7.There are about 60,000 miles of blood vessels in the human body.
8.Heart pumps about 2,000 gallons of blood through those vessels every day.
9.Men without hair on their chests aremore likely to get cirrhosis of the liver than men with hair.