Question
Define the following terms: (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.

Answer

  1. Echolocation: Echolocation is the method used by some animals to locate the objects by hearing the echoes of their ultrasonic squeaks.
  2. Echocardiography: Echocardiography is the use of ultrasound waves to investigate the action of the heart.
  3. Ultra sonography: Ultra sonography is the technique of obtaining pictures of internal organs of the body by using echoes of ultrasound pulses.

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