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 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 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 – 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
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 (23
pairs)
Number of bones in New born body – 300
Largest muscle – Buttock (Gluteus Maximus)