Across
- 2. The smallest type of microorganism, responsible for the flu and colds
- 3. Diseases that can spread from one person to another
- 5. A condition that disrupts normal body functions
- 6. Organisms such as bacteria, viruses, and fungi that cause disease
- 7. A microorganism that can cause infections, such as strep throat
- 8. The body's defense system against diseases
- 9. The type of disease that does not spread from person to person
Down
- 1. The study of diseases and how they affect the body
- 2. The process of protecting against disease using vaccines
- 4. Tiny organisms, some of which cause disease