Across
- 2. filters bacteria from food
- 3. destroy invaded cells
- 4. identify the antigen once presented by the macrophages
- 6. where T cells mature
- 9. formed from clones of B cells
- 10. start the immune response, found all over the body
- 14. remember past infections in body, formed from clones of B cells
- 15. form a protective ring
Down
- 1. stop the immune response once infection/virus is under control
- 5. mature in the bone marrow
- 7. eat and digest the antigen and present it on the cell membrane
- 8. filters blood
- 11. where B cells mature
- 12. connect and carry items to the lymph nodes
- 13. general term for all WBC fighting diseases