Incidence of Emphysema—a respiratory disorder is high in cigarette smokers. In such cases
(a) The bronchioles are found damaged
(b) The alveolar walls are found damaged
(c) The plasma membrane is found damaged
(d) The respiratory muscles are found damaged

Answers (1)

The answer is the option (b).
Explanation: - The alveolar walls are damaged in the patients of high cigarette smokers.

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