Lymphatic System

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Across
  1. 2. an organ in the abdomen near the stomach that is part of the system
  2. 3. it may take several days for your immune system to figure out how to make the right antibody for a certain ____
  3. 5. special white blood cells that are found inside lymph nodes
  4. 8. the tiny blood vessels that connect arteries to veins
  5. 11. serious side effects of vaccines are very ____
  6. 13. are the principle cells of the immune system
  7. 15. the type of cells that produce antibodies inside a lymph node
  8. 17. clusters of lymph nodes are found in ____, axilla (armpit), chest, abdomen, and groin
  9. 19. just like veins, lymphatic vessels have these to prevent fluid from flowing backwards
  10. 22. an organ in the chest that is part of the system
  11. 23. these bring lymph into lymph nodes (two words)
  12. 24. when these bind to a pathogen, it kills them; these are produced by B cells
  13. 25. after lymph has been filtered and cleaned, it returns to the bloodstream via two of these (two words)
  14. 26. small bean-shaped structures that filter substances in lymphatic fluid (two words)
Down
  1. 1. babies get a lot of infections because they have not yet produces ___ cells
  2. 4. some B cells become these and live on in the body in case you run into this pathogen again (two words)
  3. 5. these structures carry lymph from one lymph node to the next (two words)
  4. 6. lymphatic organs in the back of the mouth at the beginning of the throat
  5. 7. when the interstitial fluid enters a lymphatic vessel it is called this
  6. 9. when fluid leaks out of blood vessels it is called this (two words)
  7. 10. If 95% of the people around a child are vaccinated for a disease, it creates ___ immunity
  8. 12. this system collects and transports these from your intestines to your bloodstream
  9. 14. lymph is a fluid containing water, sugars, white blood cells, and ____
  10. 16. Some vaccines include ____ viruses that have been modified so that they can trigger the production of antibodies, but are unable to cause disease.
  11. 18. where all your blood cells are produced (two words)
  12. 20. organs in the back of your nose that are part of the system
  13. 21. the liquid part of the blood