THE WONDER OF THE HUMAN HEART
Consider the power of your heart. It averages beating about eighty times a minute and the average cardiac output is about six liters of blood every minute. The next time you are in Walmart, go to the aisle where all the two liter drinks are and consider that every minute your heart is pumping enough blood to fill up three of those plastic two-liter bottles. In one hour, your heart has filled 180 bottles. In twenty-four hours, your heart has filled 4,320. In one week, which is 168 hours, your heart has filled
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