AQA GCSE Combined Science Trilogy · 8464
Specification 4.2.2.5, 4.3.1.6, 4.3.1.7 · Paper 1
The body's system of defence against pathogens.
Revise: Health issuesPoor nutrition can also weaken the immune system, linking diet to the likelihood of infection.
- Revise: Human defence systems
- Revise: Vaccination
The body's defence system that responds to pathogens, including the actions of white blood cells.