Across
- 5. gland where T cells mature
- 6. type of response which is cell
- 8. disease-causing agent
- 9. enzymes found in the lysosome
- 10. type of white blood cell which are either T or B
- 11. produced by the plasma cells made by the B cells
Down
- 1. the correct name for T killer cells
- 2. cells responsible for the secondary immune response
- 3. proteins on the cell surface membrane or cell walls
- 4. immunity linked to B lymphocytes
- 7. type of white blood cell that ingest and destroy pathogens