Across
- 4. disease-carrying organism, such as a rat, mosquito, or fly that spreads infectious diseases
- 5. a protein made in response to a specific antigen that can attach to the antigen and cause it to be useless
- 6. immunity that results when antibodies produced in one animal are introduced into another's body; does not last as long as active immunity
- 8. complex group of defenses that protects the body against pathogens--includes skin, respiratory, digestive, and circulatory systems
- 9. long lasting immunity that results when the body makes its own antibodies in response to a specific antigen
- 11. substance that causes an allergic reaction
- 13. process in which a liquid is heated to a temperature that kills most bacteria
- 15. disease such as cancer, diabetes, or asthma, that is not spread from one person to another
Down
- 1. disease caused by a virus, bacterium, fungus, or protist that is spread from an infected organism or the environment to another organism
- 2. infectious disease such as chlamydia, AIDS, or genital herpes , that is passed from one person to another during sexual contact
- 3. the use of chemicals to destroy cancer cells
- 7. process of giving a vaccine by mouth or by injection to provide active immunity against disease
- 10. any complex molecule that is foreign to your body
- 12. a strand of hereditary material surrounded by a protein coating that can infect and multiply in a host cell
- 14. overly strong reaction of the immune system to a foreign substance