Final answer:
The answer is d. Reaction Time.
Step-by-step explanation:
The health-related components of fitness focus on factors that promote overall health and well-being. Among these components are body composition, muscular strength, and muscular endurance. These components reflect how well the systems of the body operate and maintain a state of health. Reaction time, while an aspect of fitness, is more typically associated with skill-related fitness rather than health-related fitness. Therefore, the correct answer to which of the following is NOT a health-related fitness component is d. Reaction Time.
Understanding and improving health-related fitness components can lead to better health outcomes. Body composition refers to the relative amount of muscle, fat, bone, and other vital parts of the body. Muscular strength is the ability of a muscle to exert force during an activity, and muscular endurance is the ability to continue using certain muscles over time without excessive fatigue.
These components are interconnected and can be improved through regular exercise and proper nutrition, directly impacting health and longevity.