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Number: did you knows

  1. The average human drinks over 60,566 litres (16,000 gallons) of water in a lifetime 
  2. An individual blood cell takes about 60 seconds to make a complete circuit of the body 
  3. By age 60 most people would have lost half of their taste buds 
  4. Every square inch of the human body has an average of 32 million bacteria on it 
  5. Humans shed and regrow outer skin cells every 27 days (almost 1,000 new skins in a lifetime) 
  6. It takes 17 muscles to smile and 43 to frown 
  7. The human body has over 600 muscles (40% of the bodys weight) 
  8. In 1900 the average life span in the US was 47 
  9. The vocabulary of the average person is between 5,000 to 6,000 words 
  10. The Cambodian alphabet has 74 letters 
  11. The word fortnight is a contraction of the 2 words ‘fourteen nights’ 
  12. The average life span of a mosquito is 2 weeks 
  13. The Empire State Building in New York weighs over 365,000 tons 
  14. Sea water is approximately 3.5% salt 
  15. There are over 900 species of bats 
  16. The African Rock Python can survive 2 years without eating 
  17. The average American will consume over 465 trees worth of paper over their lifetime 
  18. Over 550 hot dogs are eaten every second in the United States 
  19. Banana plants can grow as high as 6 meters (20 feet) tall 
  20. Once a women reachs the age of 30 they lose 1% of their bone mass every year thereafter (by the time a women is 50 she will have lost 20%) 
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