Lymphatic System Crossword

1234567891011121314
Across
  1. 1. Organ where T-cells mature
  2. 5. Foreign substances that trigger an immune response
  3. 7. Specialized lymphatic capillaries in the intestine
  4. 10. Organ that produces lymphocytes and filters blood
  5. 13. Clear fluid in blood that becomes lymph
  6. 14. Swelling caused by blocked lymph flow
Down
  1. 1. Small mass of lymphatic tissue found in the throat
  2. 2. Lymph drains back into this system
  3. 3. Bean-shaped structures that filter lymph
  4. 4. Lymphatic vessels have these to prevent backflow
  5. 6. Largest lymphatic duct in the body
  6. 8. The largest lymphatic organ
  7. 9. First lymphatic vessels where fluid enters
  8. 11. Clear fluid transported in lymphatic vessels
  9. 12. White blood cells involved in immunity