Why do cigarette smokers cough more than most people do?
A)The tar in cigarette smoke tends to make alveoli become sticky and close. Coughing opens them.
B)Coughing is the respiratory system's attempt to clear itself of the thick mucus that is produced in response to smoke exposure.
C)Cigarette smoking partially paralyzes the lungs; coughing exchanges the resultant "dead air."
D)Coughing stimulates blood flow to the lungs.

Question

Quizplus · Accepted Answer

Cigarette smoke irritates the respiratory tract, leading to increased mucus production. Coughing is the body's way of trying to clear this excess mucus from the airways.

Why Do Cigarette Smokers Cough More Than Most People Do