Immune System

IB Biology: Immune System

This lesson contains two constructivist activities. In the first students research and classify microorganisms into pathogens and non pathogens. The second activity is a challenge to narrate a series of images which show the process of phagocytosis. Two short IB style questions conclude the activity.What is a pathogen?What are the different roles of B-lymphocytes and t-lymphocytes in the immune response?

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