Some important & intresting information about human body.

Some important and intresting information about human body.  
Number of bones - 206.
Number of ribs - 26.
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.
Number of Cranial Nerves - 12 pairs.
Number of Spinal Nerves - 31 pairs.
Number of Pulse - 70 - 72 times / Minute.
Number of Heart-beats

- 70 - 72 times / Minute.
Life span of R. B. C - 120 days.
Life span of W. B. C - 10 - 15 days.
Life span of Platelets - 5 - 9 days.
Blood pressure - 120/80 mmHg.
Total Volume of Blood - 5 - 6 Liter.