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