Thursday, January 6, 2011

Did you know...

-Within 24 hours, lungs are crossed by 10,000 liters of air and 800 liters of blood.
-A man breathes about 174 million liters of air throughout life.
-Throughout life, man eats about 4 years.
-During a life of 70 years, a man's heart beats 3 billion times.  

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