Numbers in Human Body
- Number of bones – 206
- Number of ribs – 24
- Number of bones in skull – 22
- Number of bones in face – 14
- Number of bones in neck – 7
- Number of bones in Vertebral column – 33
- Number of bones in hand – 30
- Respiratory rate – 16-20 times / minute
- Number of heart beat – 70-72 times/minute
- Number of pulse- 70-72 times / minute
- Blood pressure – 120/80 mm of Hg
- Number of Cranial nerves – 12 pairs
- Number of spinal nerves – 31 pairs
- Life span of R.B.C – 120 days
- Life span of W.BC – 10-15 Days
- Life span of platelets – 5-9 days
- Amount of blood – 5-6 L
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