Question

give 2 causes of bronchitis​

Answer 1

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Bronchitis Causes

That means you have smaller openings for air to flow through, which can make it harder to breathe. Chronic bronchitis causes include: Breathing in air pollution and other things that bother your lungs, like chemical fumes or dust, over time. Smoking or breathing in secondhand smoke for a long time

Answer 2

Answer:

first, Bronchitis is usually caused by a virus. Less often, it's caused by a bacteria. second,In most cases, bronchitis is caused by the same viruses that cause the common cold or flu.

Explanation:

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