Across
- 2. Tumors that are not cancerous and are usually not life threatening
- 7. Single-celled animals, parasites and may be pathogenic, causing diseases such as malaria and dysentery
- 8. Group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.
- 10. Any disease that is caused by an agent that can pass from one living thing to another
- 12. An extremely small particle that consists of an outer shell and genetic material
- 15. A substance that is used to keep a person from getting a disease
- 16. A place in your body made up of organs and special cells that fight infection
- 17. An ultramicroscopic metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals
- 18. A disease of the heart or blood vessels
Down
- 1. A disease that affects the arteries leading to and within the brain
- 3. A disease that is not caused by a virus or a living organism
- 4. A substance that destroys or inhibits the growth of microorganisms and is therefore used to treat some infections
- 5. An agent that causes infection or disease, especially a microorganism, such as a bacterium or protozoan, or a virus
- 6. A disease caused by defective genes inherited by a child from one or both parents.
- 9. Tumors that are cancerous and can be life threatening
- 11. A respiratory illness that involves sneezing and congestion
- 13. Basic physical and functional unit of heredity
- 14. Very small, single celled organisms (pathogen) that are found almost everywhere