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Video: How the Ear Works Video Summary: On the hunt for some information about sound and hearing, the tree house detectives are interviewing a doctor. They learn how sound passes through a series of passages in the inner ear and mechanical vibrations trigger sensory neurons. They also learn that there are limits to the sounds humans can hear. > View List of All Videos Credits: NASA SCIence Files: http://scifiles.larc.nasa.gov Society of Women Engineers: http://www.swe.org NASA Quest: http://quest.arc.nasa.gov Google Video: http://video.google.com/videoplay?docid=-1011568187747313288
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