The ability of the heart, lungs, and blood vessels to supply oxygen to skeletal muscles during sustained physical activity is

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Cardiorespiratory fitness refers to the ability of the heart, lungs, and blood vessels to efficiently supply oxygen to working muscles during physical activity. Muscular endurance is the ability of a muscle or group of muscles to sustain repeated contractions over time. Aerobic capacity is another term for cardiorespiratory fitness. Physical strength refers to the maximum amount of force that a muscle or group of muscles can generate.

The Ability of the Heart, Lungs, and Blood Vessels to Supply