Facts about Human Body


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Amazing facts
Interesting Facts about Human
1.) Eyes: You Blink about 20000
times a day.
2.) Hair: Hair grows about .5 mm
(.02 in) a day.
3.) Mouth: You will produce
37,800 l of saliva in your life.
4.) Cells: There are 50 trillion
cells in your body and 3 billion
of themdie every minute.
5.) Nerves: Your body has about
13000000000000 nerve calls,
transmitting message at speed of
290 km/hr.
6.) Brain power: You lose 100000
brain cells every day! The main
thing is that you have 100 billion
altogether. If surface area of
your brain could be ironed out it
wouldmeasure 2090 sq.cm.
7.) Heartbeats: Your heart
pumps 13640 L of blood around
your body in a day. An average
heartbeat rate per minutes of
our body is 70 beats and this will
adds more than 100000 beats a
8.) Urine : You will pass 400 to
2000 ml of urine every day,
depending on your age, your
size and outside conditions,
especially temperature.
9.) Chemicals: There is enough
carbon in your body to fill 900
pencils, enough Fat to make 75
candles, enough phosphorous to
make 220 match heads and
enough iron to make a 7.5 cm
10.) Can you overdose on
vitamins? Overdosing on some
vitamins can have serious side
Vitamin A: Doses of more than
3752 mg can lead to liver
damage,hair losses and
Vitamin B6: Doses of more than
400mg can cause numbness in
the mouth.
Vitamin C: Stomach ache can be
caused due to high doses of
Vitamin C.
Vitamin D: Daily doses of 600 mg
can interfere with the
functioningof muscles.
Niacin: Doses of upto 2000 mg
are prescribe to
help lower cholesterol but this
could cause
jaundice and liver damage.
11.) Tea Or Coffee? The two
main constituents of tea
are“caffeine and tannin”. A tea
bag contains about 40 mg of
caffeine and brewed tea about
30mg. Tea also contains useful
fluorides, volatile oils and
Vitamin B.
“Caffeine” is the main
constituent of coffee. A cup of
brewed coffee contains about 80
mg of caffeine and instant coffee
about 60 mg. Medical studies
show that heavy caffeine use
(more than 500 mg/day) may
cause harmful physiological
effects. A cup of tea or coffee
(without sugar and milk)contains
about 16KJ of energy.
12.) Fingers: Our fingers are so
sensitive that they can detect a
vibration with a movement of
0.02 cm. Our “finger nails” grow
at the rate of about 0.05 mm in
a week and hair about 3 mm in
a week.