Exercise is the physical activity performed for the health and well-being of organisms. Rob should run to work (20 minutes) to keep his heart healthy. Thus, option B is correct.
What is the relationship between the heart and exercise?
Exercises involve the physical activities that are best for the cardio-respiratory functions as they increase efficiency and working. An exercise like running strengthens the heart.
Running for like 20 minutes a day is the best way to strengthen the heart with the help of cardio-respiratory exercise. It will keep the heart healthy and will benefit the person.
Therefore, Rob should run 20 minutes a day to keep his heart healthy.
Learn more about exercise and heart here:
https://brainly.com/question/798832
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