12.3 Protection Against Disease

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Across
  1. 2. accumulation of lymph nodes in the throat that protect the body
  2. 7. lymph node groups in the intestinal wall that protect against pathogens
  3. 9. enzymes that kill bacteria by destroying their cell walls
  4. 10. type of immunity that results from circulating antibodies or memory cells
  5. 11. white blood cell that roams the body engulfing and destroying invaders
  6. 14. chemical messenger that causes swelling and inflammation
Down
  1. 1. Produced by white blood cells (lymphocytes) to fight pathogens
  2. 3. special enlargements of lymph vessels that house white blood cells to remove pathogens
  3. 4. elevated body temperature to fight infection
  4. 5. substances produced by bacteria, molds and other organisms that stop the growth of microorganisms
  5. 6. term for white blood cells
  6. 8. largest lymph organ that houses a large quantity of blood
  7. 12. disease caused by human immunodeficiency virus (HIV)
  8. 13. lymphatic organ that "trains" T cells