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Abdominal Ultrasound

An abdominal ultrasound.

  • If a sound is too quiet, then no one will be able to hear it. - 34860
  Key words: Abdominal, Abdominal-Ultrasound, Sound, Ultrasound  

  Frequently Asked Questions (FAQ's)  

Question: What audio frequencies can be heard by the human ear?
  Answer: The human ear can hear sound wave frequencies in the approximate range of 20 to 20,000 Hertz. - 166

Question: How fast does sound waves travel?
  Answer: At sea level, sound vibrations travel in the air at a speed of approximately 1087 ft. (331 m) per second. - 167

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Find Sounds
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Sound America
 Sound America

 The largest sound file site on the internet - containing free downloadable sound files from movies, television, cartoons, comedy, and sound effects. - 882
Sound Dogs
 Sound Dogs

 Sounddogs is a online source for sound effects, production music, sound clips, free sound effects samples and loops. - 883

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