Question

What does CRF mean?

[A] Crisis relief fund

[B] Calamity relief fund

[C] Contingency for resource fund

[D] None of the above​

Answer 1

Answer:

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Answer 2

Answer:

CRF, also known as cardiorespiratory endurance, cardiovascular fitness, aerobic capacity, and aerobic fitness, among others, refers to the capacity of the circulatory and respiratory systems to supply oxygen to skeletal muscle mitochondria for energy production during physical activity