Question

What is the definition of allergy and give examples of it ​

Answer 1

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$\huge\star\mathfrak\pink{{☞:-}}$Definition: The aggravated response of the immune system to certain antigens present in the environment is called allergy.

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The substances to which such an immune response is produced are called allergens. The antibodies produced to these are of IgE type.

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Common examples of allergens are mites in dust, pollens, animal dander, etc. Symptoms of allergic reactions include sneezing, watery eyes, running nose and difficulty in breathing

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Answer 2

Answer:

an allergy is a chronic condition involving in abnormal reaction to an ordinarly harmless substance is called allergy. For example food allerian are milk, egg,and fish