Across
- 5. a host organism in which an infectious agent (as a bacterium or virus) that is pathogenic for some other species lives and multiplies typically without damaging the host.
- 6. part of the immune system and develop from stem cells in the bone marrow.
- 7. A type of immunity that develops when a person's immune system responds to a foreign substance or microorganism, such as after an infection or vaccination.
- 11. The invasion and growth of germs in the body.
- 12. A preparation that is used to stimulate the body's immune response against diseases.
- 14. the body's ability to stay safe by affording protection against harmful agents
- 16. the ability of the immune system to respond more rapidly and effectively to pathogens that have been encountered previously
- 17. A type of white blood cell.
- 18. when exposure to a disease organism triggers the immune system to produce antibodies to that disease
- 19. The science and art of preventing disease, prolonging life, and promoting health and efficiency through organized community efforts.
Down
- 1. when a person is given antibodies to a disease rather than producing them through his or her own immune system.
- 2. single-celled microorganisms that lack a nuclear membrane, are metabolically active and divide by binary fission.
- 3. an insect or animal that transmits a disease to other animals or humans.
- 4. like an epidemic but even more widespread over several countries or continents.
- 8. the way germs are moved to the susceptible person
- 9. Varsity soccer and lacrosse player
- 10. microscopic organisms that can infect hosts, like humans, plants or animals.
- 13. the defense system with which you were born
- 15. The occurrence of more cases of a disease than would be expected in a community or region during a given time period.
- 18. a person who makes healthcare decisions (choices) for someone