immune system

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Across
  1. 7. is a life-threatening condition caused by an overwhelming inflammatory response.
  2. 9. recognize antigen presented via MHC II or MHC I and express CD4 or CD8
  3. 10. triggers blood vessels to dilate and become more permeable to tissues.
  4. 12. are substances that can elicit a response from a B or T cell.
  5. 14. recognize antigen presented via MHC II and also express CD4
Down
  1. 1. are found throughout the body
  2. 2. It develops when the innate immune system cannot handle getting rid of the pathogen.
  3. 3. recognize antigen presented via MHC I and express CD8
  4. 4. circulate in the blood and are attracted by signals from infected tissues
  5. 5. can be either local or systemic (throughout the body).
  6. 6. agents that cause disease, infect a wide range of animals including humans.
  7. 8. stimulate development of adaptive immunity in cells that contact the environment (such as skin)
  8. 11. provide innate defense, interfering with viruses and helping activate macrophages.
  9. 13. is a systemic inflammatory response.
  10. 15. discharge destructive enzymes