White blood cells
What White blood cells means in Combined Science GCSE, as defined for AQA.
Definitions of White blood cells
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Reference: AQA
Defend the body, as some engulf pathogens by phagocytosis, while others produce antibodies that bind to antigens or antitoxins that neutralise toxins.
Cells that help to defend against pathogens, including by phagocytosis, antibody production and antitoxin production.
Cells with a nucleus that defend against pathogens by engulfing them or by producing antibodies and antitoxins.
Include lymphocytes, which produce antibodies, and phagocytes, which engulf and digest microorganisms.
Larger cells with a nucleus that can change shape to engulf pathogens or produce antibodies.
Topics that use White blood cells
- Blood (AQA GCSE)
- Health issues (AQA GCSE)
- Human defence systems (AQA GCSE)
Related terms
- Antigen-antibody binding
- Antigen–antibody binding
- Asthma
- Cartilage rings
- Cilia action
- Communicable disease
- Diet and health
- Digestion and defence in the stomach
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