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Biology, 05.12.2020 02:50 bridneyfondren

Select the correct answer. Bronchitis is a condition that's characterized by coughing and the secretion of mucus. A person with bronchitis has inflamed airways, which makes it hard to breathe. Where does a bronchitis infection start?

ОА. brain

OB. heart

OC. lungs

OD. throat

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