Which Layer Of The Alimentary Canal Is Responsible For Segmentation And Peristalsis?

The muscularis externa is a key muscle that contracts and moves food down the gastrointestinal (GI) tract. It consists of two layers, an inner circular layer which contracts to cause movement in its surrounding area as well as outer longitudinally arranged muscles for peristalsis-the rapid continued contracting motion responsible for moving digested meals through our digestive systems at stool level.

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