Final answer:
Regular exercise promotes cardiovascular health in many ways, such as increasing the size of the heart, lowering cholesterol levels, and reducing blood pressure. Residents who do not exercise have a higher risk of developing heart disease compared to those who do exercise.
Step-by-step explanation:
Regular exercise promotes cardiovascular health in a variety of ways. For example, exercise helps to increase the size of the heart, lower cholesterol levels, decrease the rate of plaque formation in arteries, and reduce blood pressure. Additionally, exercise can improve the mechanical efficiency of the heart and increase exercise tolerance. Studies have shown that residents who do not exercise have an increased risk of developing heart disease compared to those who do exercise.