Across
- 2. tiny living organisms i.e. food poisoning
- 5. cannot be passed from one person to another
- 7. contact with blood/saliva
- 9. the process of keeping the body's internal conditions stable
- 10. bites or stings that pass on the disease
- 11. smallest type of pathogen i.e. COVID 19
- 12. can be passed from one person to another
Down
- 1. tiny living things that cause disease
- 3. transmission through the air when someone coughs/sneezes
- 4. can grow on the skin/body i.e. ringworm
- 6. transmission through direct contact with an infected person or surface
- 8. live in or on other organisms i.e. tapeworms