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1. The components of fitness are the different aspects or qualities of physical fitness that contribute to overall health and athletic performance. The components are:

- Cardiorespiratory endurance: the ability of the heart and lungs to deliver oxygen and nutrients to the muscles during sustained exercise.

- Muscular strength: the amount of force a muscle can produce in a single effort.

- Muscular endurance: the ability of a muscle or group of muscles to sustain repeated contractions over time.

- Flexibility: the range of motion available at a joint.

- Body composition: the proportion of fat, muscle, and other tissues in the body.

2. The indicators of fitness vary depending on the component being assessed. For cardiorespiratory endurance, indicators may include heart rate, oxygen uptake, or the ability to sustain a certain level of exercise for a specific duration. For muscular strength, indicators may include the amount of weight lifted in a particular exercise. For flexibility, indicators may include the range of motion at a particular joint or the ability to perform certain movements without pain or discomfort. Body composition can be assessed through a variety of measures, such as body mass index (BMI), skinfold thickness measurements, or bioelectrical impedance analysis.

3. Both health-related and skill-related components of fitness are important for overall health and athletic performance. Health-related components, such as cardiorespiratory endurance, muscular strength, and body composition, are crucial for reducing the risk of chronic diseases such as obesity, diabetes, and heart disease. Skill-related components, such as agility, balance, coordination, and reaction time, are important for sports performance and activities of daily living. Overall, a well-rounded fitness program should include exercises that target both health-related and skill-related components.