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