English, asked by prarthana70, 9 months ago

what can be coverage area of the allergy​

Answers

Answered by Anonymous
2

Explanation:

Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment .

Allergen is a type of antigen that produces an abnormally vigorous immune response in which the immune system fights off a perceived threat that would otherwise be harmless to the body.

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