Immune System Crossword

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Across
  1. 4. cells that are usually on guard looking for any foreign material in the body
  2. 7. the cells that perform mercy killing on infected body cells
  3. 9. a response that kills the body cells that are not foreign but are infected
  4. 11. marks the pathogens and viruses that the macrophages can find them
  5. 12. provides a barrier to keep viruses outside the body
Down
  1. 1. an infecting unit that can mutate to get around rhe immune system's mechanism
  2. 2. cells that store infromation on different pathogens and how to kill them so the body can recognize and use the antibodies generated from before to get rid of them
  3. 3. a cell that eats bacteria and attacks foreign material
  4. 5. cells that create antibodies
  5. 6. is an immunity that contains the body's first defense that is nonspecific and does not differentiate between pathogens
  6. 8. cells that can differentiate between different types of pathogens
  7. 10. an invader that is not a part of the body