Lesson · S.1.11

The immune system

How the body's three lines of defense stop pathogens, and how the adaptive immune system learns to recognise them.

ObjectiveS.1.11Read2 minExam weightHuman Anatomy and Physiology ≈ 41% of Science

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What this lesson covers

How the body's three lines of defense stop pathogens, and how the adaptive immune system learns to recognise them.