First line of Defence

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Across
  1. 1. acid kills most pathogens and prevents them from causeing infection
  2. 3. Traps dirt and traps bacteria.
  3. 4. acting as general non specific barriers against pathogens
  4. 7. contains enzymes that breaks down bactarial cell walls
  5. 8. protects your body acting as a barrier
  6. 10. contains antibody that neutralizes pathogens and prevents them from attaching to and entering the cells of the mouth and throat.
Down
  1. 2. physical and chemical barrier
  2. 5. acts as a chemical barrier that kills pathogens ingested with food and water
  3. 6. a enzyme in saliva that breaks down cell walls causeing them to burst
  4. 9. acting as a chemical and physical barrier