Did you know-Facts about the human body

-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.
-At the moment of conception, you spent about half an hour 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.
-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.

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