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 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 - 90 to 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).