When a person is hypersensitive to pollen,they have ________ in response to the antigens on pollen called

Question

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When a person is hypersensitive to pollen, they have an allergy in response to the antigens on pollen, which are called allergens. The immune system mistakenly identifies these harmless substances as a threat and produces antibodies, such as IgE, that trigger the release of histamine and other chemicals, causing symptoms of an allergic reaction.

When a Person Is Hypersensitive to Pollen,they Have ________ in Response