Immune and Lymphatic System

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Across
  1. 5. cells / Attach themselves to antigens and kill them
  2. 9. / White blood cells
  3. 10. / Blood platelets
  4. 11. / Disease-causing microor-ganism
  5. 12. / Bone marrow cells with very large nuclei
  6. 14. / Secrete chemicals to attack disease-causing parasites
  7. 15. / large, single- nucleus phagocytes that ingest and dis- pose of dead or dying cells and tissues
  8. 17. / Makes up a large portion of the proteins in plasma
  9. 18. / Cells that destroy harmful pathogens
  10. 20. / Helps to maintain the proper amount of water in the blood
  11. 22. / A protein manufactured by the immune system when the immune system detects an antigen
  12. 23. Cells / Slow or stop the activity of B or T cells once a foreign invader has been con- trolled or destroyed
Down
  1. 1. / Cells involved in immune surveillance, the process of detecting and destroying foreign cells in the body
  2. 2. / Red blood cells
  3. 3. / Key protein involved in blood clotting
  4. 4. / Substance that is harmful
  5. 6. / Proteins that act as antibodies
  6. 7. / Plays an important role in blood clotting
  7. 8. / A protein that allows red blood cells to transport oxygen and carbon dioxide through the blood as the cells travel through the circulatory system
  8. 13. Immunity / Is the type of immunity with which you were born
  9. 16. / When monocytes move from the bloodstream into the body tissues
  10. 19. cells / Aid B lymphocytes in recognizing antigens and stimulating antibody production
  11. 21. active immunity / Developed when the body’s immune system is exposed to and learns to defend against one type of pathogen