CAIE IGCSE Biology 10.1.4 Body defences
CAIE IGCSE Biology 10.1.4 Body defences
Practise recognising body defences from diagrams, blood components and data, then linking barriers and white blood cells to pathogen control.
How this is tested
- identify mechanical and chemical barriers
- recognise phagocytes and lymphocytes from diagrams or blood images by their defence roles
- interpret tables on lymphocyte numbers and evaluate whether treatment effects are supported