Final answer:
Regular exercise promotes cardiovascular health by lowering blood pressure, reducing LDL cholesterol levels, and reducing the risk of physical inactivity and a sedentary lifestyle.
Step-by-step explanation:
Regular exercise promotes cardiovascular health in a variety of ways. It can help prevent future heart attacks by lowering blood pressure, reducing LDL cholesterol levels, and reducing the risk of physical inactivity and a sedentary lifestyle. Aerobic activities, such as cycling or brisk walking, increase heart rate and strengthen the heart, which improves its overall efficiency.