Across
- 4. Cells that defend body against infection
- 6. this function defends the body against infections
- 7. sponge-like tissue
- 10. Immune cells that recognize previous illness
- 12. form when foreign bacteria enter the body
Down
- 1. promotes development of T-Lymphocytes
- 2. inflammatory disorder that causes lymphnodes to swell
- 3. Contains hemoglobin
- 5. the body contains over 600 of these
- 8. Buildup of debris on tonsils
- 9. One main function of this system is to produce immune cells
- 11. This organ filters blood