The Lymphatic & Immune Systems

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Across
  1. 1. Type of barrier like skin that blocks entry to the body
  2. 2. proteins in the blood that can break bacteria apart
  3. 4. A sac connected to the lymphatic vessels that filters liquid
  4. 5. fluid draining through lymphatic vessels
  5. 8. A cell type that produces antibodies
  6. 11. An abdominal organ that filters out old cells and pathogens.
  7. 12. the part of a bone that produces and stores blood cells
  8. 15. An innate cell that crawls out of blood vessels
  9. 17. A messenger molecule secreted by immune cells
  10. 18. A part of a pathogen that can be recognized by a B cell or T cell
Down
  1. 1. Patrolling immune cell that eats debris and pathogens
  2. 3. a chest organ that trains T cells.
  3. 6. A cell type that eats debris and pathogens
  4. 7. An immune cell with arms that can grab antigens and show them to other cells.
  5. 9. The first immune response
  6. 10. A protein that can recognize a specific part of a pathogen
  7. 12. A type of cell that is stored in the body to help respond to pathogens seen again
  8. 13. The immune response that is specific
  9. 14. A bacteria, virus, or fungus that can harm the body
  10. 15. An innate cell that can kill other cells
  11. 16. A method of creating active immunity to a pathogen without getting infected