What is the involuntary muscle that moves food through the digestive system?

Answer 1

Smooth muscles in the wall of gastro-intestinal tract causes peristalsis to move food in the digestive system. There are circular and longitudinal muscle layers all along the gut, with an additional oblique layer of smooth muscle in stomach.

Peristalsis is the involuntary wave like muscle movement that moves food through the digestive system. Alternate, segmental muscle contractions and relaxations occur in walls of oesophagus, stomach, small and large intestines.

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Answer 2

Logan Allen

Smooth muscle is the involuntary muscle that moves food through the digestive system.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.