The motion of these muscles causes waves of contraction to move down the length of the small intestine. What purpose do these waves of contraction serve?

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Q: The exit of food from stomach is regulated by which muscle?

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Q: What do you think would happen if the esophagus did not have elastic protein fibers?

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Q: Name the serous membranes that suspend the intestines from the posterior body wall. Name the…

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Q: The ________ sphincter, or valve, controls food movement from the stomach into the small intestine.

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Q: what other system does the intestines interact with?

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Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.