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KS2 Immunity

This lesson covers the many natural defences our body has against microbial attack. It does not contain a lesson plan but will provide background information on immunity.

Last Updated: 23 March 2021 Medium English Antibodies, Antigen, Immune, Inflammation, Pathogen, Phagocytes, Phagocytosis, Plasma
  • Overview

What will you learn:

This lesson provides a detailed presentation and animations showing how the body fights harmful microbes on a daily basis. This section provides the basic knowledge requirements for both 'Vaccination' and 'Antibiotic Use and Medicine' lessons.

Activities include:

  • A detailed presentation and animations illustrating how the body fights infection daily.
  • Illustrated information sheet for pupils that explains the lines of defence in their immune system.

Learning Objectives:

  • Understand that the human body has many natural defences to fight infection.
  • Understand that sometimes the body needs help to fight infection.
  • Understand that our bodies have 3 main lines of natural defences.


  • A print out of Student worksheet 1 for each student

Curriculum Links:

  • Science: Working Scientifically, Living things and their habitats, Animals including humans
  • English: Reading & Comprehension
  • RSHE: Health & Prevention
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e-Bug Operated By Public Health England Logo

e-Bug is a free educational resource, operated by Public Health England, which contributes to the government’s ongoing action plan to tackle antimicrobial resistance. e-Bug resources make learning about microbes, antibiotics and the spread and treatment of infection, engaging and accessible.


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