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Longevity and animal scale

Longevity and animal scale

Larger scale in animals of the same shape would reguire greater blood pressure.  This might negatively affect longevity.  However, a larger heart requires a slower heart rate.  The empirical evidence indicates that the mammalarian heart is good for about a billion beats regardless of animal scale.  The slower heart rates of larger scale animals  more than compensates for any negative influences of scale on...

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