Immune and Lymphatic Systems

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