FACTS ABOUT HUMAN BODY-SUMMARY OF HUMAN BIOLOGY

SUMMARY OF HUMAN BIOLOGY

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 pair)
6: Number of Heart Chamber –4
7: Largest artery –Aorta
8: Normal blood pressure- 120/80mmHg
9: Ph of Blood- 7.35-7.45
10: Number of vertebrae in the Spine –33
11: Number of vertebrae in the Neck –7
12: Number 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 Muscles in Human Arm –72
18: Number of Pumps in Heart –2
19: Largest Organ –Skin
20: Largest gland-Liver
21: Biggest cell –female Ovum




22: Smallest cell –male Sperm
23: Smallest Bone -Stapes
24: First transplanted Organ- Heart 
25: Average length of Small Intestine- 7m
26: Average length of Large Intestine –1.5m
27: Average weight of new Born baby- 2.6kg
28: Pulse rate in One Minute –60-100
29: Normal body temperature –37 C° (98.4 F°)
30: Average Blood Volume- 4 to 5 liters
31: Life Span of RBC –120 days
32: Life Span of WBC –10 to 15 days
33: Pregnancy Period –280 days (40 week)
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 part of Brain –Cerebrum
40: Largest & Strongest Bone –Femur
41: Smallest Muscle –Stapedius (Middle Ear)
41: Number of Chromosome –46 (23 pair)
42: Number of Bones in new Born baby –306
43: Viscosity of Blood –4.5 to 5.5
44: Universal Donor Blood Group –O negative 
45: Universal Recipient Blood Group –AB+
46: Largest WBC-Monocyte
47: Smallest WBC- Lymphocyte
48: Increase RBC count called –Polycethemia
49: Blood Bank in the Body is –Spleen
50: Non Nucleated Blood cell is –RBC
51: RBC produced in the –Bone Marrow
52: River of Life is Called –Blood
53: Normal Blood Cholesterol level –250mg/dl
54: Fluid part is Blood!

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