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Peristalsis is
A. muscles contracting and relaxing to move food down your small intestine
B. muscles contracting and relaxing to move food down your esophagus
C. paralysis of the esophagus
help me please please please please please please please please please please please please please please please please
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Peristalsis is
A. muscles contracting and relaxing to move food down your small intestine
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