Across
- 3. cells found in the bloodstream and protect the body by ingesting and destroying foreign cells.
- 6. enzyme found in tears and saliva that destroys bacteria by digesting their cell walls
- 7. Type of Immune process which uses opsonins to tag foreign pathogen
- 8. The body's first line of defense against pathogens.
- 9. non-specific Immunity present at birth
Down
- 1. redness, heat, swelling, and pain are the signs of
- 2. Structure that can help bacteria to evade complement system
- 3. the process by which host cell engulfs and destroys foreign pathogen
- 4. Fever producing substances
- 5. Group of proteins produced by immune cells to regulate immune response