CBSE Class 10 English – Allergy

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Chapter Overview

The chapter ‘Allergy’ is a factual and educational text that explains what allergies are, how they affect the human body, and what can be done to prevent or manage them. It discusses different types of allergens such as food, dust, pollen, and animal dander, and highlights the immune system’s role in allergic reactions. The chapter also addresses common symptoms like sneezing, skin rashes, asthma, and anaphylaxis. By explaining the scientific basis behind allergies, the chapter helps dispel myths and emphasizes the importance of medical consultation for proper diagnosis and treatment.

Important Keywords

  • Allergy: An abnormal reaction of the immune system to harmless substances.
  • Allergens: Substances that cause allergies, like pollen, dust, food, etc.
  • Immune System: The body’s defense mechanism that mistakenly reacts to allergens.
  • Anaphylaxis: A severe and potentially life-threatening allergic reaction.
  • Histamine: A chemical released by the body during allergic reactions causing inflammation.

Detailed Notes

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