Human Body

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