Answer:
30 minutes of moderate physical activity, at least 5 days a week.
Step-by-step explanation:
Physical activity is defined as any bodily movement produced by the contraction of skeletal muscles that results in a substantial increase in caloric requirements over resting energy expenditure. Advantages of physical activity include: increased lung capacity, stronger muscles, heart health, decreased stress levels and anxiety and depression, more flexibility, greater range of movement and ultimate increased longevity.