in which organ does peristalsis always vary in speed and force?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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in which organ does peristalsis always vary in speed and force?
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Peristalsis and segmentation are two types of movements that occur in the gastrointestinal tract. Peristalsis, sometimes known as a peristaltic movement refers to the involuntary contraction and relaxation of the smooth muscles of the organs of the gastrointestinal tract in a wave-like pattern that pushes and moves the food forward. On the other hand, segmentation refers to an involuntary back-and-forth contraction of the smooth muscles of the organs of the gastrointestinal tract that helps break down food and mix the food (chyme) with the gastric secretions.
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