_____ refers to the ability of the circulatory and respiratory systems to supply oxygen and nutrients to working muscles during sustained physical activity.
A)Muscular strength
B)Muscular endurance
C)Cardiovascular fitness
D)Body composition

Question

_____ refers to the ability of the circulatory and respiratory systems to supply oxygen and nutrients to working muscles during sustained physical activity. 
A)Muscular strength
B)Muscular endurance
C)Cardiovascular fitness
D)Body composition

Quizplus · Accepted Answer

Cardiovascular fitness refers to the ability of the heart, lungs, and blood vessels to supply oxygen and nutrients to working muscles during sustained physical activity. Muscular strength refers to the maximum amount of force that can be generated by a muscle or group of muscles. Muscular endurance refers to the ability of muscles to perform repeated contractions over an extended period of time. Body composition refers to the proportion of fat, muscle, and other tissues in the body.

_____ Refers to the Ability of the Circulatory and Respiratory