Bronchoconstriction of smooth muscles is witnessed by asthma patients. It is triggered due to release of _ _ _ _ _ X _ _ _ _ _ and treated by _ _ _ _ _ Y _ _ _ _ _ .

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Asthma is an allergic infection. This occurs when immune responses in our body are triggered by allergens like pollen, dust, etc. This causes the formation of the IgE antibody due to the release of chemicals like histamine and serotonin from mast cells. These chemicals result in various symptoms like sneezing, headache, bronchoconstriction etc. To treat this it is important to curb the release of such chemicals. Hence drugs like anti-histamine, adrenaline and steroids are given.

Zoology - Breathing and Exchange of Gases Question with Solution | TestHub

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