Across
- 2. a substance that kills cells or interferes with their functions
- 4. network of cells, tissues, organs, and chemials that fights off pathogens
- 7. wearing long sleeves can prevent you from what?
- 10. a person with this will have skin and eyes that are slightyly yellow
- 11. white blood cells that attacks invading pathogens
- 12. specialized white blood cells that coordinates and performs many funtions of specific immunity
- 14. pieces of genetic material surrounded by a protein coat
- 16. a communicable disease whose incidence in humans has increased within that past two decades or threatens to increase in the near future
- 17. a substance that is capable of triggering an immune response
- 18. these cells trigger the production of B cells and Killer T cells
Down
- 1. protein that acts against a specific antigen
- 3. an organism that carries and transmits pathogens to humans or other animals
- 4. reaction to tissue damage caused by injury or infection
- 5. what is the first line of defense against pathogens
- 6. the state of being protected against a particular disease
- 8. single-celled microorganisms
- 9. yellowing of the skin and eyes
- 11. single-celled organisms that are larger and more complax than bacteria
- 13. organism that causes disease
- 15. many pathogens are transmitted by what type of contact