Immune System

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Across
  1. 2. Disease fighting cells are ____ in the immune system
  2. 4. ____ are sent out, waring that pathogens are detected
  3. 7. What can be caused when T cells attack insulin producing cells?
  4. 9. What is the name of the tiny invaders in our bodies?
  5. 10. An ___ triggers an immune response in the body
Down
  1. 1. What do scientists call invaders that cause diseases?
  2. 3. Killer T cells destroy cells that have been _____ by an invader.
  3. 5. What is the name of the proteins that help fight off the antigens?
  4. 6. The immune system helps us protect from ___
  5. 8. Does the body respond faster or slower the second time it sees an antigen?