Knowledge About Human Body.

Biological Info:

Knowledge About Human Body.

• Number of bones - 206
• Number of muscles - 639
• Number of kidneys - 2
• Number of milk teeth - 20
• Number of ribs - 24 (12 pairs)
• Number of chambers in the heart- 4
• Largest artery - Aorta
• Normal Blood pressure - 120 - 80
• Ph of blood - 7.4
• Number of vertebrae in the spine- 33
• Number of vertebrae in the Neck- 7
• No of bones in middle Ear - 6
• Number of bones in Face - 14
• Number of bones in Skull - 22
• Number of bones in Chest - 25
• Number of bones in Arms - 6
• Number of bones in each human
• middle ear - 3
• Number of muscles in the human arm - 72
• Number of pumps in heart - 2
• Largest organ - Skin
• Largest gland - Liver
• Smallest cell - Blood cell
• Biggest cell - Egg cell (ovum)
• Smallest bone - Stapes
• First transplanted organ - Heart
• Average length of small intestine- 7 m
• Average length of large intestine- 1.5 m
• Average weight of new born baby - 2.6 kg.
• Pulse rate in one minute - 72times
• Body Temperature - 36.9°C (98.4 °F)
• Average blood volume - 4 - 5liters
• Average life of RBC - 120 days
• Pregnancy period - 280 days
• Number of bones in human foot- 33
• Number of bones in each wrist -8
• Number of bones in hand - 27
• Largest endocrine gland -Thyroid
• Largest lymphatic organ - Spleen
• Largest cell - Nerve cell
• Largest part of brain - Cerebrum
• Largest & strongest bone -Femur
• Smallest muscle - Stapedius(Middle ear )
• Number of chromosomes in
• human cell - 46 (23pairs)
• Number of bones in New born body - 300
• Largest muscle - Buttock (Gluteus Maximus)