Lymphatic System

2. Tubes that carry watery fluid found between the body's cells
4. White blood cells found in the lymphatic system
6. Works with tonsils to produce and release antibodies to attack pathogens entering through the mouth and nose
9. Contains many white blood cells and stores oxygen-rich blood
10. Works with adenoids to produce and release antibodies to attack pathogens entering through the mouth and nose
14. White blood cells that will start producing antibodies if the body is reinfected with the same microorganism
16. A group of cells that prepare and release a chemical for use by the body
17. This gland has both lymphatic and endocrine functions

1. A weakened or inactive version of a pathogen that stimulates the body's production of antibody that can destroy the pathogen
3. Lymph is filtered here before returning to the blood
5. The act of giving someone a vaccine
6. One of many lymphatic vessels that feed into a lymph node
7. White blood cell that produces antibodies that attack specific disease-causing microorganisms
8. Clear fluid that leaks out of the capillaries and passes in and out of cells
11. The only lymphatic vessel that leads out of a lymph node
12. Interstitial fluid that is in a lymphatic vessel
13. White blood cell that attacks microorganisms directly
15. White blood cell that scavenge lymph and eat bacteria and other debris