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Preeti Tripathi

Class 12th
Biology
2 years ago

what is asthma

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Abhishek Mishra

2 years ago

A condition in which a person's airways become inflamed, narrow and swell and produce extra mucus, which makes it difficult to breathe. Asthma can be minor or it can interfere with daily activities. In some cases, it may lead to a life-threatening attack.

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