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Quiz yourself on Human Defense Systems - Non-specificGet your flashcardsBuild my revision planTrack my progressKey Facts: Non-Specific Defences
- Always ready: Non-specific defences are active from birth and respond immediately
- No discrimination: Responds the same way to all pathogens regardless of type
- Two main lines: Physical/chemical barriers (1st line) and phagocytes (2nd line)
- No memory: Same response every time — does not improve with repeated exposure
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