Incidence of Emphysema - a respiratory disorder is high in cigarette smokers. In such cases
A
the bronchioles are found damaged
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B
the alveolar walls are found damaged
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C
the plasma membrane Is found damaged
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D
the respiratory muscles are found damaged.
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Solution
The correct option is D the alveolar walls are found damaged Emphysema is. a condition of short breath due to breakdown of alveolar wall and'reduction of respiratory area due to smoking.