The immune system

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Across
  1. 4. a non specific defense that fights infection which raises body temperature
  2. 6. response to an antigen
  3. 7. lies in the upper left abdominal cavity and filter RBC
  4. 8. soft bilobed organ behind the sternum
  5. 9. another name for nonspecific defenses or immunity
  6. 10. the number of lines of defense
  7. 11. accumulation of fluid in the tissues
  8. 12. located in our pharynx
Down
  1. 1. excessive immune response that may release histamine
  2. 2. another name for specific defenses or immunity
  3. 3. located around the inner membrane of the lymph node
  4. 5. tissue response to a pathogen characterized by redness, swelling and pain
  5. 10. located in the center of the lymph node