• The acid in your stomach is strong enough to dissolve razor blades.
• The human brain cell can hold five times as much information as the Encyclopedia Britannica.
• It takes the food seven seconds to get from your mouth to your stomach.
• The average human dream lasts two to three seconds.
• Men without hair on their chests are more likely to get cirrhosis of the liver than men with hair.
• At the moment of conception, you spent about 30 minutes as a single cell.
• There are about one trillion bacteria on each of your feet.
• Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.
• Your teeth start developing (in your gums) six months before you are born.
• When you are looking at someone you love, your pupils dilate. They do the same when you are looking at someone you hate.
