Across
- 3. uses electric motor and piston to help breathing
- 6. tube used to see inside a persons esophagus
- 8. component whose resistance changes as light intensity changes.
- 9. highest frequency EM wave
- 10. scanner uses electromagnets to see organs and brain (3 letters)
- 12. the waves that are used in remote controls
Down
- 1. sends electrical impulses to patients heart muscles
- 2. at the end of endoscopes and can produce image of internal organs
- 4. wave with longest wavelength
- 5. thin glass fibres that reflect light in tube
- 7. wave used to produce images of bones
- 11. resistance changes a lot as temperature changes