lymphatic system tingzzz

4. are white blood cells and or main type of immune cells.
5. Marrow develops red blood cells only if it's a certain color.
7. training and development of T-lymphocytes or T cells.
9. prevents diseases but takes years to make (like now:( )
10. vessels that transport blood to and from the heart.
15. a living thing.
18. a large white blood cell, function: to locate microscopic foreign bodies and 'eat' them.
19. Vessel behaves like veins.
20. keep your body healthy by trapping harmful bacteria and viruses that you breathe in or swallow.
23. something that our bodies produce to protect against pathogens.
24. biggest organ a part of this system.
25. function: start immune responses to antigens found in mucosal surfaces.

1. largest organ in the lymphatic system and possible to live without it.
2. Patches in the wall of the small intestine and are involved in the development of immunity to antigens.
3. as the basic unit of life.
6. adequate biological defenses to fight infection.
8. smallest *blood* vessel.
11. System the system that is the main line of defense.
12. Node where lymph is filtered and lymphocytes are formed.
13. fluid thin layer of fluid which surrounds the body's cells.
14. fluid that flows through the lymphatic system.`
16. aids in immune function (attached to large intestine).
17. bacteria, viruses or foreign invaders.
19. System the system that is the second line of defense.
21. made up of cells, that make organs, then organ systems, then the organism ;)
22. trap germs which you may breathe in.