Cool Facts about Human body.

YOKI

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[h=3]100 Very Cool Facts About The Human Body[/h] [h=3]The human body is an incredibly complex and intricate system, one that still baffles doctors and researchers on a regular basis despite thousands of years of medical knowledge. As a result, it shouldn’t be any surprise that even body parts and functions we deal with every day have bizarre or unexpected facts and explanations behind them. From sneezes to fingernail growth, here are 100 weird, wacky, and interesting facts about the human body.[/h] The Brain
The human brain is the most complex and least understood part of the human anatomy. There may be a lot we don’t know, but here are a few interesting facts that we’ve got covered.

Nerve impulses to and from the brain travel as fast as 170 miles per hour.

The brain operates on the same amount of power as 10-watt light bulb.

The human brain cell can hold 5 times as much information as the Encyclopedia Britannica.

Your brain uses 20% of the oxygen that enters your bloodstream.

The brain is much more active at night than during the day

Scientists say the higher your I.Q. the more you dream

Neurons continue to grow throughout human life

Information travels at different speeds within different types of neurons

The brain itself cannot feel pain

80% of the brain is water
 

YOKI

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Hair and Nails
While they’re not a living part of your body, most people spend a good amount of time caring for their hair and nails. The next time you’re heading in for a haircut or manicure, think of these facts.
Facial hair grows faster than any other hair on the body

Every day the average person loses 60-100 strands of hair.

Women’s hair is about half the diameter of men’s hair.

One human hair can support 3.5 ouncesThat’s about the weight of two full size candy bars, and with hundreds of thousands of hairs on the human head, makes the tale of Rapunzel much more plausible.

The fastest growing nail is on the middle finger

There are as many hairs per square inch on your body as a chimpanzee

Blondes have more hair
Fingernails grow nearly 4 times faster than toenails

The lifespan of a human hair is 3 to 7 years on average.

You must lose over 50% of your scalp hairs before it is apparent to anyone.

Human hair is virtually indestructible
 

YOKI

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Internal Organs
Though we may not give them much thought unless they’re bothering us, our internal organs are what allow us to go on eating, breathing and walking around. Here are some things to consider the next time you hear your stomach growl.

The largest internal organ is the small intestine.

The human heart creates enough pressure to squirt blood 30 feet.

The acid in your stomach is strong enough to dissolve razorblades.

The human body is estimated to have 60,000 miles of blood vessels

You get a new stomach lining every three to four days.

The surface area of a human lung is equal to a tennis court.

Women’s hearts beat faster than men’s.

Scientists have counted over 500 different liver functions

The aorta is nearly the diameter of a garden hose.

Your left lung is smaller than your right lung to make room for your heart

You could remove a large part of your internal organs and survive

The adrenal glands change size throughout life
 

myworld

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Intresting informations yoki.. :thumbsup
 

YOKI

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YOKI

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The colder the room you sleep in, the better the chances are that you’ll have a bad dream.

Tears and mucus contain an enzyme (lysozyme) that breaks down the cell wall of many bacteria.

Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil.

Your ears secrete more earwax when you are afraid than when you aren’t

It is not possible to tickle yourself

The width of your armspan stretched out is the length of your whole body.

Humans are the only animals to produce emotional tears.

Right-handed people live, on average, nine years longer than left-handed people do.

Women burn fat more slowly than men, by a rate of about 50 calories a day.

Koalas and primates are the only animals with unique fingerprints.

The indentation in the middle of the area between the nose and the upper lip has a name. It is called the philtrum. Scientists have yet to figure out what purpose this indentation serves, though the ancient Greeks thought it to be one of the most erogenous places on the body
 

YOKI

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About 32 million bacteria call every inch of your skin home.

Humans shed and regrow outer skin cells about every 27 days

Three hundred million cells die in the human body every minute.

Humans shed about 600,000 particles of skin every hour.

Every day an adult body produces 300 billion new cells

Every tongue print is unique.

Your body has enough iron in it to make a nail 3 inches long.

The most common blood type in the world is Type O

Human lips have a reddish color because of the great concentration of tiny capillaries just below the skin.
 

YOKI

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