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 Liter