Key Area 4.1 - Non-specific Defences
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Key Area 4.1 - Non-specific Defences
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- The human body has the ability to protect itself against pathogens, some toxins and cancer cells through the immune system.
- Epithelial Cells:
- Form a physical barrier to prevent entry from pathogens, e.g. skin.
- Produce secretions against infection, e.g. mucus in the trachea, lysozyme in tears, acid in the stomach.
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- Higher Human Biology Slide Set on Key Area 4.1 - Non-specific Defences, created by Meg McAteer on 08/05/2017.
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- Meg McAteer · May 2017
- Updated
- May 8, 2017
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