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 heart chambers: 4
7: The largest artery: Aorta
8: Normal blood pressure: 120/80 mmHg
9: pH of blood: 7.4
10: Number of vertebrae: 33
11: Number of vertebrae in the neck: 7
12: Number of bones in the middle ear: 6
13: Number of bones On the face: 14
14: The number of bones in the skull: 22
15: The number of bones in the chest: 25
16: The number of bones in the arms: 6
17: The number of muscles in the human arm: 72
18: The number of sections in the heart: 2
19: The largest organ: Skin
20: largest gland: liver
21: largest cell: female ovum
22: smallest cell: sperm
23: smallest bone: caliper of the middle ear
24: first transplanted organ: kidney
25: average length of the thin intestine: 7 m
26: Average length of the large intestine: 1.5 m
27: average newborn weight: 3 kg
28: average heart rate in one minute: 72 times
29: normal body temperature: 37 ° C (98.4 ° C)
30: average Blood volume: 4 to 5 liters
31: Age of red blood cells: 120 days
32: Age of blood cells a White: 10 to 15 days
33: Pregnancy period: 280 days (40 weeks)
34: Number of bones on the human foot: 33
35: Number of bones in each wrist: 8
36: Number of bones in the hand: 27
37: The largest endocrine gland: Thyroid
38: the lymphatic system is larger: the spleen
40: the largest and strongest bone: the femur
41: the smallest muscle: stipidius (middle ear)
41: chromosome number: 46 (23 pairs)
42: the number of bones of the newborn: 306
43: blood viscosity : 4.5 to 5.5
44: international donor blood group: O
45: global blood group receptor: AB
46: largest white blood cell: monocyte
47: smallest white blood cell: lymphocyte
48: increase in red blood cell count called: polycythemia
49 : The blood bank in the body is: The spleen
50: The river of life is called: The blood
51: The normal cholesterol level in the blood: 100 mg / liter
52: The liquid portion of the blood is: The plasma is a perfectly designed body that allows you to enjoy this adventure called life .. Take care Do not harm yourself with vices, t

