An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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A person will create enough saliva to fill two average size swimming pools during his lifetime.
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The human brain is more active during sleep than during the day.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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