Interesting Facts about Human Body

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 day.
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 nail.
10.) Can you overdose
on vitamins? Overdosing on some vitamins can have serious side effects.
Vitamin A: Doses of
more than 3752 mg can lead to liver damage,hair losses and headaches.
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.
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