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Important Numbers

Numbers to learn for any medical exam –

  • Number of ribs – 24 (12 pairs)
  • Number of bones – 206
  • Number of muscles – 639
  • Number of kidneys – 2
  • Number of milk teeth – 20
  • Number of chambers in the heart – 4
  • Largest artery – Aorta
  • Normal Blood pressure – 120 – 80
  • Ph of blood – 7.4
  • Number of vertebrae in the spine – 33
  • Number of vertebrae in the Neck – 7
  • No of bones in middle Ear – 6
  • 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
  • Average length of small intestine – 7 m
  • Average length of large intestine – 1.5 m
  • Average weight of new born baby – 2.6 kg.
  • Pulse rate in one minute – 72 times
  • Body Temperature – 36.9o C (98.4o F)
  • Average blood volume – 4 – 5 liters
  • Average life of RBC – 120 days
  • Pregnancy period – 280 days
  • Number of bones in human foot – 33
  • Number of bones in each wrist – 8
  • Number of bones in hand – 27
  • Number of chromosomes in human cell – 46 (23 pairs)
  • Number of bones in New born body – 300