The largest cell in the human body is the female egg and the smallest is the male sperm.
You use 200 muscles to take one step.
The average woman is 5 inches shorter than the average man.
Your big toes have two bones each while the rest have three.
A pair of human feet contains 250,000 sweat glands.
The acid in your stomach is strong enough to dissolve razor blades.
A full bladder is roughly the size of a soft ball.
The human brain cell can hold 5 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 2-3 seconds.
Men without hair on their chests are more likely to get cirrhosis of the liver than men with hair.
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.
The enamel in your teeth is the hardest substance in your body
Your teeth start growing 6 months before you are born
When you are looking at someone you love, your pupils dilate, and they do the same when you are looking at someone you hate
Your thumb is the same length of your nose.
At this very moment I know well you are putting this last fact to the test...
...now remove your thumb from your nose and pass this on to the friends you think might be interested in comparing their thumbs to their noses as well.
