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General info about Human Body
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§ Our heart beats around 100,000 times every day.
§ Our blood is on a 60,000-mile journey.
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§ Our eyes can distinguish up to one million color surfaces and take in more information than the largest telescope known to man.
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§ Our lungs inhale over two million liters of air every day, without even thinking. They are large enough to cover a tennis court.
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§ Our hearing is so sensitive it can distinguish between hundreds of thousands of different sounds.
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§ Our sense of touch is more refined than any device ever created.
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§ Our brain is more complex than the most powerful computer and has over 100 billion nerve cells.
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§ We give birth to 100 billion red cells every day.
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§ When we touch something, we send a message to our brain at 124 mph.
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§ We have over 600 muscles.
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§ We exercise at least 30 muscles when we smile.
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§ We are about 70 percent water.
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§ We make one liter of saliva a day.
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§ Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.
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§ In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
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wow really informative 
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Thnx
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We make one liter of saliva a day.
yuck 
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Nice sharing Naila
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Thnx
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:applaud; nice info...keep us informed
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Thnx And yes I ll keep u guys informed :mrgreen: :P
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wow 
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