Lymphatic system crossword puzzle

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