when comparing heart function from the smallest shrew to the largest whale; the total volume of blood pumped by each heart in a lifetime is approximately 200 million L/kg heart and the total number of heart beats is approximately 1.1 billion per lifetime.
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— Blackwell Synergy - Clin Exp Pharmacol Physiol, Volume 30 Issue 8 Page 590-597, August 2003 (Article Abstract)
