When your body burns calories more efficiently, you
a. exercise without fatigue.
b. increase the amount of muscle mass and decrease the amount of body fat.
c. lose all your body fat.
d. decrease the amount of muscle mass and increase the amount of body fat?

The five components of health-related fitness include cardiorespiratory fitness, muscular strength, resting heart rate, muscular endurance, and body composition cardiovascular fitness, muscle tone, muscular endurance, flexibility, and body composition calisthenics, muscular strength, muscular endurance, flexibility, and body composition cardiorespiratory fitness, muscular strength, muscular endurance, flexibility, and body composition