Across
- 2. accumulation of lymph nodes in the throat that protect the body
- 7. lymph node groups in the intestinal wall that protect against pathogens
- 9. enzymes that kill bacteria by destroying their cell walls
- 10. type of immunity that results from circulating antibodies or memory cells
- 11. white blood cell that roams the body engulfing and destroying invaders
- 14. chemical messenger that causes swelling and inflammation
Down
- 1. Produced by white blood cells (lymphocytes) to fight pathogens
- 3. special enlargements of lymph vessels that house white blood cells to remove pathogens
- 4. elevated body temperature to fight infection
- 5. substances produced by bacteria, molds and other organisms that stop the growth of microorganisms
- 6. term for white blood cells
- 8. largest lymph organ that houses a large quantity of blood
- 12. disease caused by human immunodeficiency virus (HIV)
- 13. lymphatic organ that "trains" T cells