Amazing Human Body


Amazing Human Body

  • The largest organ in the body is the skin.
  • The liver is the largest gland and the largest internal organ in the human body.
  • The brain uses over a quarter of the oxygen used by the human body.
  • Our heart beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30.
  • Length of thumb is the same with nose.
  • Red blood cells carry oxygen around the body. They are created inside the bone marrow.
  • It takes about 20 seconds for a red blood cell to circle the whole body.
  • The biggest muscle in the body is gluteus maximus, in the buttock.
  • The lungs contain over 300,000 million capillaries.  If they were laid end to end, they would stretch 2400km.
  • Every drop of blood in human body is filtered by the body over 300 times a day.
  • The ovum is the largest cell in the human body.
  • The smallest is the male sperm cell; it is one-tenth of the diameter of a human hair.
  • Adult lungs have a surface area of around 70 square meters.
  • The stapes is the smallest bone in the body. It’s located in the inner ear.
  • The acid in stomach is strong enough to dissolve razor blades.
  • Nose and Ears continue growing throughout entire life.
  • Each person has a unique tongue print just like the fingerprints.
  • The longest muscle in the body is Sartorius.
  • The smallest muscle in the body is Stapedius, deep in the ear. It is thinner than a thread and 0.05 inches (0.127 centimeters) in length.
  • Enamel is hardest substance in the human body.
  • All babies are color blind when they are born, they only see black & white.

Thanks n Regards

Jeevanandam K

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