Asked by  | 2nd Jun, 2008, 02:03: PM

Expert Answer:

The wavelike muscular contractions of the alimentary canal or other tubular structures by which contents are forced onward toward the opening.

In other words, peristalsis is the rhythmic alternating contraction and relaxation of smooth muscles that forces food through the intestinal tract.

Answered by  | 2nd Jun, 2008, 06:22: PM

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