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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?

A)brain
B)heart
C)lungs
D)throat

User Antiduh
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2 Answers

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Bronchi are one of the tubules and air passageways that allow air to travel into the lungs.
User Kuzdu
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4 votes
lungs....................
User Paul Maxwell
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