Lymphatic system crossword puzzle

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Across
  1. 2. Body's first, nonspecific defense against pathogens. (3 words)
  2. 8. Network of vessels and nodes that supports immunity and fluid balance. (2 words)
  3. 10. Force that draws water across a membrane due to solute concentration. (2 words)
  4. 11. Complex Cell markers that help recognize "self" vs "non-self". (3 words)
  5. 13. Lymphatic tissue behind the nose, often removed in children.
Down
  1. 1. Tubes that transport lymph throughout the body. (2 words)
  2. 3. Immune response that learns and remembers pathogens. (3 words)
  3. 4. Tiny vessels where lymph formation begins. (2 words)
  4. 5. Type of lymph vessel that brings fluid into a lymph node.
  5. 6. Swelling caused by blocked lymph flow.
  6. 7. Type of lymph vessel that carries fluid out of a lymph node.
  7. 9. Immunity involving B cells and antibodies. (2 words)
  8. 12. Molecule that triggers an immune response.