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  • Created by: Matilda
  • Created on: 19-05-10 13:36

What is ultra sound?

An ultrasonic wave is a sound wave above 20000hz. They have many different uses such as...

  • Ultrasonic scanners... these are used to produce images of organs in the body. The probe that they put on your body produces a pulse of an unltrasonic wave it then detects the wave when it returns. The wave reflects off different boundaries, such as a baby's heart.

These scans…


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