Physics 1.1-1.4

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