10 Incredible human body facts !

  1. There are 100.000 miles of blood vessels in an adult human body.
  2. Every day an adult body produces 300 billion new cells !
  3. Nails grow about one-tenth of an inch each month .
  4. Your nose can remember 50.000 different scents .
  5. Your brain is 80% water !
  6. The average person falls asleep in seven minutes .
  7. A human has more than 600 individual skeletal muscles .
  8. We make around 30 to 50  ounces of saliva a day !
  9. Bones are composed of 31 percent water .
  10.  It takes 17 muscles to smile,but 43 to frown!

 

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