Asked by  | 26th Jul, 2009, 05:54: AM

Expert Answer:

Peristalsis refers to rhythmic, wavelike motion of the walls of the alimentary canal and certain other hollow organs. Alternating contraction and dilation of transverse and longitudinal muscles move the contents of the tube through the system.

Answered by  | 27th Jul, 2009, 06:54: AM

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