Biology A (Salters-Nuffield) A-Level
Barriers to infection
What Barriers to infection means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Barriers to infection
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Reference: Pearson Edexcel
The skin, stomach acid, and gut and skin flora protect the body by preventing pathogen entry or creating conditions hostile to pathogens.
Topics that use Barriers to infection
- Topic 6: Immunity, Infection and Forensics (Pearson Edexcel A-Level)
Related terms
- Active immunity
- Agarose gel
- Alternative splicing
- Antibiotic stewardship
- Antibody
- Antigen
- Application of molecular techniques to plants and animals
- Artificial passive immunity
Using Barriers to infection in the exam
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