CBSE BoardEnglish MediumSTD 12 CommercePhysical EducationYoga And Lifestyle1 Mark
Question
What is the main physiological cause of Asthma?
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Answer
Asthma is a disease of lungs in which the air-way swells up and produces extra mucus. As a result the airway become blocked or narrowed causing difficulty in breathing. It can be due to genetic factor or allergy.
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