BIO 133. Chapter 9

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Across
  1. 2. Specific parts of an antigen that bind to and antibody.
  2. 5. Proteins produced by cells that help activate macrophages.
  3. 7. White blood cells that defend the organism from pathogens without prior exposure.
  4. 11. protein that promotes blood flow to site of injury.
  5. 12. Antibodies bind to pathogens and mark them for elimination.
  6. 14. Substances that can trigger a response from the immune system.
  7. 15. Agents that cause disease.
Down
  1. 1. Life-threatening condition caused by an overwhelming inflammatory response.
  2. 3. cells that secrete antibodies.
  3. 4. cells that records and store information of pathogen to fight it later.
  4. 6. Specialized proteins produced by the immune system that defend the organism from foreign bodies.
  5. 8. Immune system cells that act as an antigen-presenting cells.
  6. 9. Cells that destroy and digest foreign substances.
  7. 10. Cells first to appear when an infection is detected.
  8. 13. Chemical releases by immune system that triggers inflammatory responses.