SOME IMPORTANT FACTS OF HUMAN BODY
•Length of alimentary canal.
Approximately
8 metres.(start from mouth and
end anus)
•BMR (Basal metabolic rate).
1600
K. Calorie per day.
•Number of cells in body.
75 trillion.
•Longest bone.
Femur.(Thigh bone)
•Smallest bone.
stapes.(that is a ear ossicle).
•Weight of brain.
1400
gms.
•Blood volume.
6-8
litres.
•Normal B.P(blood pressure)
120/80
mm Hg
(systolic/diastolic).
•Number of R.B.C.
.In
male:4.5-5.0 million per cubic m.m.
.In
female : 4.0-4.5 million per cubic m.m.
•Life span of R.B.C.
120
days.
•Normal W.B.C. count.
5,000to10,000.
•Life span of W.B.C.
3-4
days.
According to NCERT 12-20 days
•Haemoglobin.
In
male: 14 to 15.6 gm/100 c.c. of blood.
In
female: 11 to 14 gm/100 c.c. of blood.
•Hb content in body.
500-700
gm.
•Universal blood donor.
...O
Rh negative.
•Universal blood recipient
...A.
B
•Blood clotting time.
2-5
minutes.
•Average body weight.
70
kg.
•Normal body temperature.
98.4°F
or 37°C.
•Breathing rate.
16-20/minute.
•Dental formula.
IN
adult: 2123/2123 total 32.
In
case of child: 2120/2120. total 20 milk teeth.
•Number of cranial nerves.
12
pairs.
•Number of spinal nerves.
31
pairs.
•Largest endocrine gland.
Thyroid.
•Gestation period.
9
months (253-266 days).
•Normal heart beat.
72-75/minute.
•Largest gland.
Liver.
•Largest muscle in the body.
Giuteus
maximus (Buttock muscle.
•Largest smooth muscle.
Uterus
of pregnant woman.
•Smallest muscle in the body.
Stapedius.
•Largest artery.
Abdominal
aorta.(that connected with left ventricle...provides oxygenated blood to whole
body).
•Largest vein.
Inferior
venacava.(that connected to right atrium... provides deoxygenated blood to
heart from lower part of body)
•Largest WBC.
Monocyte.
•Smallest WBC.
Lymphocyte.
•Greatest regeneration power.
In
liver..
•Longest nerve.
Sciatic(
that elongate from spinal chord to foot).
•Longest cell.
Neuron
(nerve cell).
•Menstrual cycle.
28
days.
•Menopause age.
45-50
years.
•Minimum regeneration power.
•Minimum distance for proper vision.
25
cm.
•Type of placenta.
Haemochorial.. (that type of
placenta in which maternal blood directly contact with chorion)
(chorion
is the outer protective layer of embryo)
•Pulse rate.
72/minute
•Volume of semen.
2-4
ml/ejaculation.
•Number of sperm count.
200-350
million/ejaculation.
•ESR.(erythrocyte sedimentation
rate).
4 to
10 minute/HOUR
•Thinnest skin.
Conjunctiva.
•pH of gastric juice.
1.4
•pH of Urine.
6.0
•pH of blood.
7.35
se 7.45
•pH of bile.
7.5
•pH of pancreatic juice.
8.5
•total number of muscles in the
body.
639.
•Total number of bones in the body.
206.
•Largest organ of human body.
skin..(changed
to interstitium)
Detail information we will study in individually chapter
on next for you ..we have some mcq on human body ...so stay prepared ..
all the best
THANK YOU TO ALL
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