cardiorespiratory endurance

Cardiorespiratory Endurance and Muscular FitnessCardiorespiratory endurance is often considered the key component of health-related physical fitness. Why is this the case? What activities, if any, do you participate in that are geared toward improving cardiorespiratory endurance? How does this kind of physical activity/exercise make you feel?Please also discuss why muscular strength and endurance are considered health-related components of physical fitness. What activities, if any, do you participate in that are geared toward improving muscular strength and endurance? Lastly, do you think the elderly population should participate in activities geared toward improving muscular strength and endurance? Why or why not?