rafitanaka
rafitanaka rafitanaka
  • 21-11-2016
  • Biology
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Food is able to move down your esophagus by a wave of relaxing and contracting. This is called?

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lavan1
lavan1 lavan1
  • 21-11-2016
peristalsis is the involuntary contraction of esophageal and intestinal muscles in a wavelike motion consisting of relaxing and contracting to move materials through the body
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