Explain why the greatest benefits to cardiorespiratory fitness come from sustained physical activities like running

The benefits of physical activity are significant.

Explanation:

Sustained physical activity is crucial for the body to work the muscles and at the same time, provide oxygen to the muscles.

This activity helps muscles and cardiovascular and respiratory systems which deliver oxygen to the muscles through blood circulation.

High levels of physical activity are very tightly associated with lower cardiovascular mortality. Physical activity can reduce the development of chronic diseases like hypertension, diabetes, stroke and cancer.

Sustained physical activity allows the body to work its muscles while providing oxygen to the muscle groups. This activity develops the muscle groups in addition to the cardiovascular and respiratory systems that deliver oxygen to the muscles via blood circulation

Explanation:

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