Across
- 3. nodes Filters out damaged cells
- 5. Diagnose lymph organs
- 7. Stomach gastric juices
- 10. Produce antibodies attacking bacteria, viruses and toxins
- 11. Immunity against certain diseases varying from person to person
- 12. Skin, nasal cells, mucus membranes
- 13. Immunity after disease or vaccination
Down
- 1. Soft gland containing T cells
- 2. Filters foreign material from blood and destroys old rbc and makes wbc
- 4. Fluid containing water, slats, sugars, waste, wbc and proteins
- 6. Symptom of leukeamia
- 8. Direct foreign invaders, produces biological substances to activate parts of immune system
- 9. Immunity from antibodies
