Infection & ResponseKey Facts
Key Facts: Non-Specific Defences
Part of Human Defense Systems - Non-specific — GCSE Biology
This key facts covers Key Facts: Non-Specific Defences within Human Defense Systems - Non-specific for GCSE Biology. Physical and chemical barriers, white blood cell responses, inflammatory response It is section 2 of 16 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 16
Practice
19 questions
Recall
22 flashcards
Key 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