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 columu – 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 .

Life span of R . B . C – 120 days .

Life span of W.B.C – 10 – 15 days .

Life span of platelets – 5 – 9 days .

Amount of blood 5 – 6 litter .