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What is cardiorespiratory fitness?

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User Tim Dowty
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Answer:

cardiorespiratory fitness refers to the ability of the circulatory system and the respiratory systems to supply oxygen to the skeletal muscles for energy production needed during physical exercise.

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User Dcl
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the capacity of the circulatory and respiratory systems to supply oxygen to skeletal muscle mitochondria for energy production needed during physical activity.
User Joost Verbraeken
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