Across
- 2. The body's response to injury or infection, often causing redness and swelling.
- 3. Substances that the immune system recognizes as foreign.
- 7. A network involved in the circulation of immune cells and removal of waste.
- 8. Lymphocytes that produce antibodies.
- 9. Immunity involving antibodies produced by B cells to fight off pathogens.
- 13. Cells that ingest harmful particles, bacteria, and dead or dying cells.
- 14. Another term for antibodies, which neutralize or destroy toxins and pathogens.
- 15. Elevated body temperature in response to infection.
Down
- 1. The body's first line of defense against pathogens.
- 3. The body's ability to remember and specifically target pathogens.
- 4. Type of lymphocytes involved in cell-mediated immunity.
- 5. White blood cells involved in the adaptive immune response.
- 6. Organisms that can cause disease.
- 10. Immune cells that can destroy infected or cancerous cells.
- 11. Immunity involving T cells that attack pathogens directly.
- 12. Tissue layers that produce mucus to trap pathogens.