Which substances are responsible for allergie | vedclass

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(B) Allergies are caused by the release of chemicals like histamine and serotonin from mast cells.When an allergen enters the body,it triggers the imm

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$(i)$ and $(ii)$

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(B) Allergies are caused by the release of chemicals like histamine and serotonin from mast cells.When an allergen enters the body,it triggers the immune system to release these inflammatory mediators,which lead to allergic symptoms such as sneezing,watery eyes,and skin rashes.Therefore,$(i)$ Histamine and $(ii)$ Serotonin are the substances responsible for allergic reactions.

Which substances are responsible for allergies?
$(i)$ Histamine $(ii)$ Serotonin $(iii)$ Adrenaline $(iv)$ Heparin

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Which substances are responsible for allergies?$(i)$ Histamine $(ii)$ Serotonin $(iii)$ Adrenaline $(iv)$ Heparin