Model Paper 3 — Physical Education STD 12 Commerce — Question
CBSE BoardEnglish MediumSTD 12 CommercePhysical EducationModel Paper 32 Marks
Question
Explain about asthma.
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Answer
Asthma is a disease of lungs in which the airways become blocked or narrowed causing difficulty in breathing. The airways also swells up and pruce extra mucus. It usually triggers coughing, wheezing or whistling or shortness of breath. The coughing usually occurs at night or early in the morning.
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