CH 12

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Across
  1. 7. immune cells that originate from monocytes
  2. 9. cells that release chemicals to destroy pathogens
  3. 10. the first responders of immune response
  4. 13. involved in allergic reaction and helminth infection
  5. 15. vertebrates and invertebrates have acquired immunity
Down
  1. 1. professional phagocytes
  2. 2. 30 proteins that are activated by surface substances of microbes
  3. 3. instead of blood invertebrates have this
  4. 4. mast cells release
  5. 5. mucus membranes are examples of this type of protection
  6. 6. found on potential pathogens
  7. 8. found on innate immune cells
  8. 11. all animals and plants have innate immunity
  9. 12. macrophages and neutrophils release
  10. 14. interfere with viruses and help activate macrophages