The answer is Muscle endurance
Answer:
Someone is feeling hopeless, helpless, thinking of killing them self sometimes or
Someone is acting differently than normal, such as always seeming sad or anxious, struggling to complete tasks, or not being able care for themselves.
Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
