The Immune System

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Across
  1. 3. are found throughout the body, originate from monocytes
  2. 9. These circulate through the body and detect abnormal cells.
  3. 10. defense that has memory
  4. 11. agents that cause disease
  5. 13. provide innate defense, interfering with viruses and helping activate macrophages.
  6. 14. discharge destructive enzymes
Down
  1. 1. antibodies, rather than B cells themselves, defend against pathogens
  2. 2. stimulate development of adaptive immunity in cells that contact the environment
  3. 3. “record” information to fight pathogen if it comes back
  4. 4. circulate in the blood and are attracted by signals from infected tissues
  5. 5. defense that is active immediately
  6. 6. substances that can elicit a response from a B or T cell
  7. 7. actively secrete antibodies
  8. 8. consists of about 30 proteins that are activated by substances on microbe surfaces.
  9. 12. a life-threatening condition caused by an overwhelming inflammatory response.