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Through a process of relaxing
and contracting muscles, the esophagus pushes the food on its way
and contracting muscles, the esophagus pushes the food on its way
Full Transcript
00:00:01.000 --> 00:00:03.836
Through a process of relaxing
and contracting muscles,
00:00:04.504 --> 00:00:06.839
the esophagus pushes the food on its way.
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Movie Summary
Diverse personal stories from around the world reveal how lives, passions and goals are facilitated by the human body's various complex systems; narrator Jad Abumrad.