immune system

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Across
  1. 3. act of introducing a vaccine into the body to produce protection from a specific disease
  2. 4. part of the body's immune system
  3. 5. type of immune cell that is made in the bone marrow
  4. 8. The innate immune system
  5. 9. a type of white blood cells
  6. 14. when a virus has infected a cell
  7. 16. cell that is part of the immune system and helps the body fight infections
  8. 17. protects your body from outside invaders
  9. 18. method by which a virus can replicate its DNA using a host cell
  10. 19. when bacteria change in response to the use of these medicines
  11. 20. a medicine that inhibits the growth of or destroys microorganisms.
Down
  1. 1. A type of white blood cell that surrounds and kills microorganisms
  2. 2. nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals
  3. 6. a type of white blood cells that make antibodies
  4. 7. the body is given immunity to a disease by intentional exposure to small quantities
  5. 10. immunity that is naturally existing
  6. 11. the ingestion of bacteria
  7. 12. a very simple microorganism that infects cells
  8. 13. blood protein produced in response to and counteracting a specific antigen
  9. 15. a toxin or other foreign substance which induces an immune response in the body