A person breathes in air containing bacteria. Some of the bacteria get past the body's non-specific defences and enter the blood. These bacteria release a toxin.
Describe how the human body defends itself against these bacteria. In your answer you should include both the non-specific defences and the response of the immune system.
176 exam-style questions on AQA GCSE Biology 3.1 Communicable diseases, covering 3.1.1 Communicable (infectious) diseases, 3.1.2 Viral diseases, 3.1.3 Bacterial diseases, 3.1.4 Fungal diseases, 3.1.5 Protist diseases, 3.1.6 Human defence systems, 3.1.7 Vaccination, 3.1.8 Antibiotics and painkillers, and 3.1.9 Discovery and development of drugs. Each one has a worked solution and a mark scheme showing where the marks go.