Bronchitis is a contagious viral infection that causes inflammation of the bronchial tubes.
Answer:
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Explanation:
Inflammation of the lining of bronchial tubes, which carry air to and from the lungs.
Acute bronchitis is often caused by a viral respiratory infection and improves by itself.
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Bronchitis is a contagious viral infection that causes inflammation of the bronchial tubes.
Verified answer
Answer:
pls mark me as brain list.
Explanation:
Inflammation of the lining of bronchial tubes, which carry air to and from the lungs.
Acute bronchitis is often caused by a viral respiratory infection and improves by itself.