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 7.4
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
72 times
29: Normal body temperature
37 C° (98.4 F°)
30: Average Blood Volu30:
Average Blood VoluAverage 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
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 o