5. Smoking cigarettes makes alveoli less elastic (or "stretchy"), so they can't expand as much. Explain why people who smoke often may have trouble breathing.
Smoking can cause irritation and inflammation on the lungs.This decreases the number of air spaces and blood vessels in the lungs, resulting in less oxygen to critical parts of your body.
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Smoking can cause irritation and inflammation on the lungs.This decreases the number of air spaces and blood vessels in the lungs, resulting in less oxygen to critical parts of your body.
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