The difference between physical activity and exercise is that exercise is needed for physical fitness; physical activity is not.
What is Physical fitness?
Physical fitness is defined as the ability to perform daily activities with maximum performance, endurance, and strength.
Physical fitness of an individual can be enhanced through exercise which is a planned, structured, and repetitive activity unlike physical activity which is a daily life activity.
Therefore, the difference between physical activity and exercise is that exercise is needed for physical fitness; physical activity is not required to maintain physical fitness.
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