Lymphatic System- Part a

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Across
  1. 1. Provide an immune response to antigens
  2. 3. Carried by lymphatic vessels
  3. 8. Filter lymph before it is returned to the blood
  4. 9. Engulf and destroy foreign substances
  5. 11. Provides resistance against acid, alkalis, and bacterial enzymes
  6. 12. A network of tissues and organs
  7. 14. Harmful materials that enter lymph vessels
  8. 16. Lymph enters through it the convex side of the lymph node.
Down
  1. 2. Propel debris-land from lower respiratory passages.
  2. 4. Destroy bacteria in the intestine
  3. 5. Forms blood cells in the fetus
  4. 6. Lymph exits through it the lymph node.
  5. 7. Nonspecific defense system
  6. 10. Specific defense system
  7. 13. Trap microorganisms in the respiratory and digestive system.
  8. 15. Acts as a sentinel to protect respiratory and digestive tracts
  9. 17. Located low in the throat, overlying the heart