45 Important facts about HUMAN body

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