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Biology HL

SLHL

Chapter 10: Defence against Disease

Build disease defence from skin and clotting through innate and adaptive immunity, then connect HIV, antibiotics, zoonoses, allergy and vaccination to population health.

Estimated chapter time: 813 minutes

IB syllabus: C3.2 · SL and HL

Chapter Topics

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  1. 1How this chapter works
    1. 1.1Layered defence
    2. 1.2Three questions
    3. 1.3The chapter route
  2. 2Barriers, clotting and innate immunity
    1. 2.1Surface barriers
    2. 2.2Blood clotting
    3. 2.3Inflammation
    4. 2.4Phagocytosis
  3. 3Adaptive immunity
    1. 3.1Antigen specificity
    2. 3.2Antibody action
    3. 3.3Cell-mediated and humoral
    4. 3.4Immune memory
    5. 3.5ABO blood groups
  4. 4HIV, antibiotics and resistance
    1. 4.1HIV and AIDS
    2. 4.2Antibiotic targets
    3. 4.3Antibiotic resistance
    4. 4.4New antibiotics
  5. 5Zoonoses and allergy
    1. 5.1Species specificity
    2. 5.2Zoonoses
    3. 5.3Allergic response
  6. 6Vaccination and immunity
    1. 6.1Vaccine principle
    2. 6.2Protection and infection
    3. 6.3Vaccine testing
    4. 6.4Herd immunity
  7. 7Chapter synthesis
    1. 7.1Trace across scales
    2. 7.2High-value distinctions
    3. 7.3Immune data strategy

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