The Digestive System
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Title: The Digestive System

Essay Details:

Subject: Miscellaneous
Author: Manuel J
Date: December 3, 2013
Level: University
Grade: A
Length: 5 / 1213

Essay text:

At the same time, a substance called intrinsic factor binds Vitamin B in food and various gastric enzymes, such as Pepsin (which begins protein digestion), which are secreted by the stomach wall. Secretions of mucus protect the stomach from its digestive enzymes. The food is then mixed in the stomach, turning it into chyme(digested food). The muscular pumping motion called peristalsis churns the chyme around. The chyme then passes through the pyloric valve by peristalsis to the first portion of the small intestine, the duodenum. The duodenum is where most of the chemical digestion takes place...

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