What is the cause of asthma?

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(B) Asthma is a respiratory disorder characterized by difficulty in breathing due to inflammation of the bronchi and bronchioles. It is often triggere

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Inflammation of the bronchi and bronchioles

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(B) Asthma is a respiratory disorder characterized by difficulty in breathing due to inflammation of the bronchi and bronchioles. It is often triggered by an allergic reaction where mast cells release chemicals like histamine,leading to the constriction of the airways and increased mucus production. Therefore,the primary physiological cause is the inflammation of the bronchial tubes.

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