Final answer:
Smoking cigarettes leads to increased heart rate and blood pressure, elevating the risk of heart attack and stroke.
Explanation:
Smoking cigarettes has immediate effects on the cardiovascular system. When a person smokes a cigarette, their heart rate increases due to the activation of the sympathetic nervous system. The blood pressure rises as well, which can lead to a higher risk of heart attack and stroke.
Learn more about Immediate effects of smoking a cigarette
