Why does the GI tact have a plexus in the muscalaris and nerves in the mucosa?

Ok so i think u know that The muscularis externa is responsible for segmental contractions and peristaltic movement in the GI tract. These muscles cause food to move and churn together with digestive enzymes down the GI tract. ... Between the two muscle layers is the myenteric or Auerbach's plexus, which controls peristalsis.The muscularis mucosa is a thin layer of smooth muscle that supports the mucosa and provides it with the ability to move and fold.

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Explanation:

answer: apply a medicine

explanation:

oh okay you then