What part of the respiratory system does cigarette smoke most adversely affect?

Name: What part of the respiratory system does cigarette smoke most adversely affect?
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Question

Quizplus · Accepted Answer

Cigarette smoke most adversely affects the alveoli, which are tiny air sacs in the lungs responsible for gas exchange. The chemicals in cigarette smoke can damage and destroy alveoli, leading to conditions such as emphysema and chronic obstructive pulmonary disease (COPD).

What Part of the Respiratory System Does Cigarette Smoke Most