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Numbers in Human Body

  • Average length of small intestine ⋙ 7 m
  • Average length of large Intestine ⋙ 1.5 m
  • Average weight of new born baby ⋙ 2.6 kg.
  • Average blood volime ⋙ 4-5 liters
  • Average life of RBC ⋙ 120 days



  • Body Temperature ⋙ 36.90 C (98.4 F)
  • Biggest cell ⋙ Egg cell (ovum)


  • First transplanted organ ⋙ Heart


  • Largest artery ⋙ Aorta
  • Largest endocrine gland ⋙ Thyroid
  • Largest lymphatic organ ⋙ Spleen
  • Largest cell ⋙ Nerve cell
  • Largest organ ⋙ Skin
  • Largest gland ⋙ Liver


  • Number of bones ⋙ 206
  • Number of muscles ⋙ 639
  • Number of kidneys ⋙ 2
  • Number of milk teeth ⋙ 20
  • Number of ribs ⋙ 24 (12 pairs)
  • Number of chambers in the heart ⋙ 4
  • Number of vertebrae in the spine ⋙ 33
  • Number of vertebrae in the Neck ⋙ 7
  • Number of bones In Face ⋙ 14
  • Number of bones in Skull ⋙ 22
  • Number of bones In Chest ⋙ 25
  • Number of bones in Arms ⋙ 6
  • Number of bones In each human ear ⋙ 3
  • Number of muscles in the human arm ⋙ 72
  • Number of pumps in heart ⋙ 2
  • Number of bones In human foot ⋙33
  • Number of bones In each wrist ⋙ 8
  • Number of bones in hand ⋙ 27
  • Normal Blood Pressure ⋙ 120-80
  • No of bones in middle Ear ⋙ 6


  • Ph of blood ⋙ 7.4
  • Pulse rate in one minute ⋙ 72 times
  • Pregnancy period ⋙ 280 days


  • Smallest cell ⋙ Blood cell
  • Smallest bone ⋙ Slapes