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. 
  • 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.
  • 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. 
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  • 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.
  • The lungs contain over 300,000 million capillaries (tiny blood vessels). If they were laid end to end, they would stretch 2400km (1500 miles).
  • Human bone is as strong as granite in supporting weight. A block of bone the size of a matchbox can support 9 tonnes – that is four times as much as concrete can support.
  • Each finger and toenail takes six months to grow from base to tip.
  • When you sleep, you grow by about 8mm (0.3in). The next day you shrink back to your former height. The reason is that your cartilage discs are squeezed like sponges by the force of gravity when you stand or sit.
  • The average person in the West eats 50 tonnes of food and drinks 50,000 liters (11,000 gallons) of liquid during his life. 
  • The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
  • Each kidney contains 1 million individual filters. They filter an average of around 1.3 liters (2.2 pints) of blood per minute, and expel up to 1.4 liters (2.5 pints) a day of urine. 
  • The eyes receive approximately 90 percent of all our information, making us basically visual creatures.
  • The female ovaries contain nearly half-a-million egg cells, yet only 400 or so will ever get the opportunity to create a new life.
  • A single human blood cell takes only 60 seconds to make a complete circuit of the body.  
  • Nerve impulses to and from the brain travel as fast as 170 miles (274 km) per hour.
  • It's impossible to sneeze with your eyes open. 
  • Your stomach needs to produce a new layer of mucus every two weeks or it would digest itself. 
  • It takes the interaction of 72 different muscles to produce human speech.
  • The average life of a taste bud is 10 days.
  • 15 million blood cells are destroyed in the human body every second.

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Interesting Facts About the Human Body

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