Because cigarette smoke contains so many irritants,the longer someone smokes the more it acts as a stimulant for the cilia in the respiratory system to move more rapidly to clean out the bronchi.

Question

Quizplus · Accepted Answer

Cigarette smoke contains many harmful chemicals that can damage the cilia in the respiratory system, causing them to become less effective at clearing out mucus and other irritants. Over time, smoking can actually impair the function of the cilia, rather than stimulating them to work more effectively.

Because Cigarette Smoke Contains So Many Irritants,the Longer Someone Smokes