Interesting & Amazing Facts About Human Body

The body of man is made up of many tissues & organs. They number in millions. The cells are organised uniquely and function dynamically together. Their complexities can be understood better when it is closely scanned. Here are some bits of information that are quite interesting. 

Amazing Facts About Human Body

  1. The stomach takes 20 minutes to tell the brain that it is full and that one should stop eating. 
  2. The thickness of the skin varies from 1/2 to 6 mm, depending on the area of your body. 
  3. The four taste zones on your tongue are bitter (back), sour (back sides), salty (front sides), and sweet (front). 
  4. One uses 14 muscles to smile and 43 to frown. 
  5. It takes the interaction of 72 different muscles to produce human speech. 
  6. The strongest muscle of the body is the masseter muscle, which is situated in jaw. 
  7. The small intestine is about 750cm long. 
  8. The large intestine is 15O cm long and 3 times wider than the small intestine. 
  9. Most people shed 20kg of skin in a lifetime. 
  10. When you sneeze, air rushes through your nose at the rate of 156 kmph. 
  11. An eye lash lives about 15O days before it falls out. 
  12. Our brain sends messages at the rate of 375 kmph. 
  13. About 5-6 litres of blood is filtered by 2 million nephrons 37 times a day. 
  14. Each of our eyes has 120 M rods, which support us see in black and white. 
  15. Each eye has 6M cones, which help us see in colour. 
  16. We blink our eyes about 20,000 times a day. 
  17. Our heart beats about 100,000 times/day. 
  18. Placed end-to-end all our body's blood vessels would measure about 90,000 kms. 
  19. The average human brain has about 100 billion nerve cells. 
  20. The thyroid cartilage is more generally known as the Adam's apple.
  21. It's impossible to sneeze with open eyes. 
  22. When you sneeze, all your bodily functions stop even your heart. 
  23. Babies are born without knee cap. They don't appear till they are 2 -6 years of age. 
  24. Children grow faster in the spring season. 
  25. Women blink twice as much as men. 
  26. If one is blind in one eye, he only loses about 1/5 of vision and the sense of depth. 
  27. Our eyes are always the same size from birth, but our nose and ears not ever stop growing. 
  28. The length of the finger shows how fast the fingernail grows. The nail on the middle finger grows fastest. On an average our toenails grow twice as slow as our fingernails. 
  29. Hair is made of the same substance as fingernails. 
  30. The nose can remember 50,000 scents. 
  31. A finger nails takes about 6 months to grow from base to tip. 
  32. The energy used by the brain is enough to light a 25 watt bulb. 
  33. The heart produces enough pressure to squirt blood 900cm. 
  34. We get a new stomach lining every 3-4 days. If we did not get, the strong acids our stomach uses to digest food would also digest our stomach. 
  35. A pair of feet has 500,000 sweat glands. 
  36. Each square inch of human skin consists of 600 em of blood vessels. 
  37. The liver is the only chief organ in the human body that can regenerate itself if part of it is removed.

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