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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.