Select each item in the left column and match it with the correct definition in the right column.

Cardio-respiratory
A. A form of activity that engages the heart and lungs to take in, transport, and deliver oxygen to muscles.

Calorie
B. Unit of energy obtained from food (3,500 kilocalories of food energy = 1 pound of body weight).

Flexibility
C. The range of motion in a joint or series of joints that one can attain without discomfort or pain.

Muscular
D. Something relating to the muscles.

Lean Mass
E. Weight of a person's muscles, bones, tendons, and ligaments.

Explanation of key components of physical fitness including cardiorespiratory endurance, body composition, muscular strength, muscular endurance, and flexibility.

Explanation:

Cardiorespiratory Endurance (Aerobic) : The ability to perform prolonged, dynamic exercise using large muscle groups at a moderate-to-high-intensity level.

Body Composition: The proportion of fat and fat-free mass (muscle, bone, and water) in the body.

Muscular Strength: The amount of force a muscle can produce in a single maximum effort.

Muscular Endurance: The ability to resist fatigue and sustain a given level of muscle tension or repeated muscle contractions against resistance for a given time period.

Flexibility: The ability to move the joints through their full range of motion.

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