White blood cells
What White blood cells means in Biology GCSE, as defined for AQA.
Definitions of White blood cells
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Reference: AQA
These defend the body: phagocytes engulf and digest pathogens, and lymphocytes produce antibodies and antitoxins.
Cells suspended in plasma that defend against pathogens through phagocytosis and antibody production.
Cells that recognise a pathogen as foreign, usually by its antigens, and act to destroy it.
Topics that use White blood cells
- Blood (AQA GCSE)
- Human defence systems (AQA GCSE)
Related terms
- Antibody production
- Antigens and antibodies
- Defence and clotting
- Immunity and vaccination
- Non-specific defences
- Oxygen transport
- Pathogen
- phagocytosis
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