Across
- 1. processes that produces redness, swelling, heat and pain
- 7. glands along the lymphatic pathways
- 8. largest lymphatic organ
- 9. vast collection of cells and biochemicals that travel in lymphatic vessels
- 14. tissue in the spleen made of red blood cells, lymphocytes, and macrophages
- 17. another name for adaptive defenses
- 18. organ of T lymphocyte production
- 19. increase in body temperature to fight pathogens
Down
- 2. drains lymph from lymphatic vessels
- 3. small population of lymphocytes that protect against viruses and cancer
- 4. molecules that can cause an immune response
- 5. any outside intruders in the body
- 6. tissue in the spleen made of lymphocytes
- 9. tissue fluid that contains water, proteins, and dissolved substances
- 10. the process of engulfing and destroying foreign particles
- 11. hormones secreted by the thymus
- 12. a mechanical barrier that covers the body and keeps out pathogens
- 13. this is what fills the sinuses in the spleen
- 15. these types of defenses are known as immunity
- 16. these types of defenses protect against many pathogens