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Lesson 5.2 – Our body’s barriers – the innate immune system

This lesson is intended to cover the concepts of innate immunity. The immune system ‘sees’ the world as self and non-self. The innate immune system does this via receptors that have evolved to recognize relatively conserved structures in microbes. Once a non-self entity is recognized, innate immune cells respond by phagocytosing the threat and sounding the alarm (cytokines and chemotaxis). Most infections are stopped by innate immune responses.

Teacher Prep

5.2 Classroom Materials

5.2 Alternative Approaches

 
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