Cambridge AS & A Level Biology
11.1The immune system
The immune system in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 11.1.1Describe how phagocytes (macrophages and neutrophils) act.
- 11.1.2Explain what an antigen is and distinguish self from non-self antigens.
- 11.1.3Describe the primary immune response with the roles of macrophages, B-lymphocytes and plasma cells, T-helper and T-killer cells.
- 11.1.4Explain the role of memory cells in the secondary response and long-term immunity.
Lessons
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Phagocytes, lymphocytes and the immune response
35 min
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Sample question
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Turn The immune system into a strength.
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