History
Across
- 2. type of medicine
- 7. computed tomography scan
- 8. tests heartbeat
- 10. smells bad
- 11. immunizing someone against disease
- 12. artificial channel of water
Down
- 1. injects liquids in body
- 3. is a theory
- 4. microscopic
- 5. is a process
- 6. prevents more bacteria
- 9. resistant to a particular infection