bradley79
bradley79 bradley79
  • 21-08-2019
  • Physics
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What is peristalsis​

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Haley2622
Haley2622 Haley2622
  • 21-08-2019
successive waves of involuntary contraction passing along the walls of a hollow muscular structure (such as the esophagus or intestine) and forcing the contents onward
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