Year 9 Disease

3. Capable of being transmitted from one organism to another.
5. Used by the Gumbaynggirr People as an antiseptic.
6. The number of new cases of a disease in a specific population over a set period.
8. A sudden increase in the number of cases of a disease in a specific region or population.
10. A system of glands that secrete hormones to regulate slower, long-term responses in the body.
11. A protein produced by the immune system that binds to and neutralises specific pathogens.
12. An epidemic that spreads over multiple countries or continents.
15. A chemical messenger produced by glands that travels through the blood to target organs.
16. A system of nerve cells and pathways that rapidly coordinates responses to stimuli through electrical signals.
18. The process by which an organism maintains stable internal conditions despite changes in the external environment.
19. Any change in the environment that causes a response in an organism.

1. A microorganism, such as a virus, bacterium, fungus, or parasite, that causes disease.
2. Restricting the movement of individuals who may have been exposed to a disease to prevent its spread.
4. The introduction of a harmless form of a pathogen or its components into the body to stimulate antibody production and immunity.
7. A substance that kills or inhibits the growth of pathogens on surfaces or in wounds.
8. A disease that is consistently present at a low level in a population or region.
9. The study of patterns, causes, and effects of health and disease conditions in populations.
13. The reaction of an organism to a stimulus.
14. A system in which the output or response affects the original process, helping maintain homeostasis.
17. A condition that negatively affects the structure or function of the body.