Some Facts About Human Body
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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 bones in New born body - 300
Number of vertebrae in the spine - 33
Number of vertebrae in the Neck - 7
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 human foot - 33
Number of bones in each wrist - 8
Number of bones in hand - 27
Number of bones in each human ear - 3
Number of muscles in the human arm - 72
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 - 72 times
Body Temperature - 36.9o C (98.4o F)
Average blood volume - 4 - 5 liters
Average life of RBC - 120 days
Pregnancy period - 280 days
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)
Largest muscle - Buttock (Gluteus Maximus)