Your Body Keeps These Secrets

Interesting Facts about the Human Body

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• Scientists say the higher your I.Q. The more you dream.
  
• 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.
  
• Your big toes have two bones each while the rest have three.
  
• A pair of human feet contains 250,000 sweat glands.
  
• A full bladder is roughly the size of a soft ball.
  
• The acid in your stomach is strong enough to dissolve razor blades.
  
• 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.
  
• 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.
  
• As humans grow older, the lens in the eye grows thicker. This is why people who once had perfect vision often need glasses in their 40s.
  
• The circulatory system of arteries, veins, and capillaries is about 60,000 miles long.
  
• Every day the average person loses 60-100 strands of hair.
  
• One human hair can support 3.5 ounces. That’s about the weight of two full size candy bars.
  
• The surface area of a human lung is equal to a tennis court.
  
• On any given day, sexual intercourse takes place 120 million times on earth.
  
• One out of every 2,000 newborn infants has a tooth when they are born.
  
• Most men have erections every hour to hour and a half during sleep.
  
• After eating too much, your hearing is less sharp.
  
• Even small noises cause the pupils of the eyes to dilate.
  
• Everyone has a unique smell, except for identical twins.
  
• By the age of 60, most people will have lost about half their taste buds.
  
• Humans can make do longer without food than sleep.
  
• A human head remains conscious for about 15 to 20 seconds after it is been decapitated.
  
• The tooth is the only part of the human body that can’t repair itself.
  
• Three hundred million cells die in the human body every minute.
  
• Humans shed about 600,000 particles of skin every hour.
  
• Human lips have a reddish color because of the great concentration of tiny capillaries just below the skin.
  
• The colder the room you sleep in, the better the chances are that you’ll have a bad dream.
  
• Your ears secrete more earwax when you are afraid than when you aren’t.
  
• Humans are the only animals to produce emotional tears.
  

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