The Immune System

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Across
  1. 4. circulate in the blood and are attracted by signals from infected tissues
  2. 6. signaling molecule that promote blood flow to injury site
  3. 7. substance that elicits a response from B cell or T cell
  4. 8. pain and swelling can alert you to this type of response
  5. 9. short-lived cells that take immediate effect against a pathogen
  6. 10. the study of the immune system
  7. 11. process by which hemocytes ingest and break down bacteria and other foreign substances
  8. 12. bacterium, fungus, virus, or other disease-causing agent
Down
  1. 1. exaggerated responses to certain antigens, or allergens
  2. 2. an enzyme that breaks down bacterial cell walls and acts as a chemical barrier against pathogens
  3. 3. proteins that provide innate defense by interference
  4. 5. inflammatory signaling molecule
  5. 8. inducing active immunity to antigens by introducing them into the body
  6. 13. small, accessible portion of an antigen that binds to an antigen receptor