Across
- 1. substance that provides artificially acquired immunity
- 6. foreign substance entering the body
- 7. cell eating
- 8. "picking up the cell" term
- 10. WBCs have to get through gaps in the capillary walls
- 12. accumulation of fluid in the tissues
- 13. a type of immunity
Down
- 2. second line of defense
- 3. a WBC that ingests foreign material
- 4. this physical barrier belongs to the first line of defense
- 5. a type of T cell
- 9. body reacting to only one substance creating this kind
- 11. active immunity results in the formation of this
