Third Line of defense

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Across
  1. 1. They are responsible with fighting off infection and they are white blood cells
  2. 4. To be protected from pathogens and keeps you healthy
  3. 6. Specialized white blood cells which target certain things
  4. 7. Medicine that is used to fight off bacterial infections
  5. 8. A foreign substance which is introduced to the body
Down
  1. 2. Where the body targets certain pathogens to fight them off
  2. 3. Y-Shaped proteins that get in-between the virus spores
  3. 5. Are responsible for fighting off bacteria and is a white blood cells