Immune and Lymphatic Systems

1234567891011121314151617181920212223
Across
  1. 2. Helps to maintain the proper amount of water in the blood
  2. 3. Immunity Is the type of immunity with which you were born
  3. 10. Cells Slow or stop the activity of B or T cells once a foreign invader has been con- trolled or destroyed
  4. 12. cells Attach themselves to antigens and kill them
  5. 15. Red blood cells
  6. 17. Proteins that act as antibodies
  7. 22. Secrete chemicals to attack disease-causing parasites
  8. 23. A protein that allows red blood cells to transport oxygen and carbon dioxide through the blood as the cells travel through the circulatory system
Down
  1. 1. Substance that is harmful
  2. 4. active immunity Developed when the body’s immune system is exposed to and learns to defend against one type of pathogen
  3. 5. cells Aid B lymphocytes in recognizing antigens and stimulating antibody production
  4. 6. When monocytes move from the bloodstream into the body tissues
  5. 7. Disease-causing microor-ganism
  6. 8. White blood cells
  7. 9. Bone marrow cells with very large nuclei
  8. 11. Cells involved in immune surveillance, the process of detecting and destroying foreign cells in the body
  9. 13. Large, single- nucleus phagocytes that ingest and dis- pose of dead or dying cells and tissues
  10. 14. Plays an important role in blood clotting
  11. 16. Blood platelets
  12. 18. Cells that destroy harmful pathogens
  13. 19. A protein manufactured by the immune system when the immune system detects an antigen
  14. 20. Key protein involved in blood clotting
  15. 21. Makes up a large portion of the proteins in plasma