Question

Why do smokers have a more difficult time getting rid of bronchitis

A. Their lungs shrink over time
B. They cough more than other people
C. Smoking damages the cilia in the respiratory system
D. Smokers are only able to access one lung

Answer 1

C. Smoking damages the cilia in the respiratory system.

Step-by-step explanation:

Hope this helped.

Answer 2

C. Smoking damages the cilia in the respiratory system