Did You Know That (About Human Body) - 7

  • Red blood cells are produced in bone marrow.
  • Skin is the largest organ making up the human body.
  • The colored part of your eye is called the iris.
  • The human body contains 96,000km (59,650miles) of blood vessels.
  • The human body creates 2,500,000 new red blood cells every second.
  • The human body has over 600 muscles (40% of the body's weight).
  • The human body of a 70 kg person contains 0.2mg of gold.
  • The human eye blinks over 4,200,000 times a year.
  • The human eye can detect more shades of green that any other color.
  • The hydrochloric acid found in your stomach is strong enough to dissolve a nail.

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