Final answer:
The practical application of the beneficial effects of exercise on the cardiovascular system is that it can be used as a guideline to prescribe exercise for patients with coronary artery blockage, reducing the risk of developing chest pain due to high metabolic demand on the heart.
Step-by-step explanation:
The subject of this question is Health. The question is asking about the practical application of a certain concept to prescribing exercise for patients with coronary artery blockage, to reduce the risk of chest pain due to a high metabolic demand on the heart.
The practical application being referred to is the beneficial effects of exercise on the cardiovascular system. Regular exercise has been shown to lower the rate of heart attack and reduce several risk factors for cardiovascular disease, such as hypertension and high cholesterol. By prescribing exercise to patients with coronary artery blockage, the risk of chest pain and other cardiovascular issues can be reduced.