Ultrasound

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Across
  1. 2. Effect describing frequency change due to motion
  2. 6. Unpleasant sensory and emotional experience
  3. 7. Underwater vessel using sonar
  4. 11. Resistance to sound wave transmission
  5. 12. Bouncing of waves off a surface
  6. 13. Vibrations traveling through a medium as waves
  7. 14. Mass per unit volume of a substance
  8. 15. Reflected sound wave
Down
  1. 1. Number of waves passing a point per second
  2. 3. Disturbance that transfers energy through a medium
  3. 4. Species capable of perceiving sound waves
  4. 5. Medical procedure involving physical intervention
  5. 7. Rate at which sound travels through a medium
  6. 8. Device that converts one form of energy to another
  7. 9. Group of cells with a specific function
  8. 10. Treatment for medical conditions