Chapter 12 crossword

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Across
  1. 3. Only __________ have acquired immunity
  2. 4. _______ recognition receptors are found on innate immune cells
  3. 9. A fluid rich in blood cells, dead pathogens, and cell debris from damaged tissues
  4. 11. Provide innate defense, interfering with viruses and helping activate macrophages
  5. 12. These cells are involved in allergic and anti helminth response
  6. 13. The skin has this type of pH which helps to prevent growth of bacteria
  7. 16. "First responders" of infection, attracted to signals from infected tissues
  8. 17. The release of histamine is triggered by what type of cells?
Down
  1. 1. A type of generalized immunity that is immediately active upon infection
  2. 2. These circulate within the hemolymph of invertebrates and carry out phagocytosis
  3. 5. Insects rely on this as a physical barrier against infection
  4. 6. Originating from monocytes, found all throughout the body
  5. 7. Neutrophils and Eosinophils are examples of this
  6. 8. An enzyme found in tears that is hostile to many microbes
  7. 9. Organisms with potential to cause disease
  8. 10. These types of cells have long "arms" that capture and present antigens to the immune system
  9. 14. Chronic inflammation is believed to be a potential link to this
  10. 15. The __________ system consists of about 30 proteins that are activated by substances on microbe surfaces