Across
- 1. healthful, disease-free environment
- 4. resists destruction by heat, drying, or chemicals
- 6. a substance that is a risk to the living
- 7. nonhuman carrier of disease
- 9. without any symptoms
- 10. highly pathogenic and disease producing microorganism
- 13. invasion by disease causing microorganisms
- 14. substance that kills bacteria
- 15. asymptomatic ill person
Down
- 2. renders a person immune to a specific disease
- 3. killing most but not all pathogens
- 5. a microorganism that requires oxygen to live
- 8. disease-causing microorganisms
- 10. capable of growing and living
- 11. pathologic process with distinctive signs and symptoms
- 12. a microorganism that doesn't need oxygen to live