Biology SL

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.

1 simulation entries

Barrier Breach and Clotting Workbench

Change wound size and clotting-factor activity to watch platelet recruitment, fibrin formation and pathogen entry compete in real time.

Appears in: 10.1 Barriers, Clotting and Innate Immunity, 10.2 Antigens, Antibodies and Adaptive Immunity, 10.3 HIV, Antibiotics and Resistance, 10.5 Vaccination, Immune Memory and Herd Immunity

exclude · recognize · amplify · remember

Immune defence laboratory

Surface breach → platelet plug → fibrin meshInactive factorsprothrombin + fibrinogenthrombinprotease amplificationinsoluble fibrinstructural seal