15.4 Digestive System Regulation – Concepts of
2015-5-14 · The endocrine system controls the response of the various glands in the body and the release of hormones at the appropriate times.. One of the important factors under hormonal control is the stomach acid environment. During the gastric phase, the hormone gastrin is secreted by G cells in the stomach in response to the presence of proteins. Gastrin stimulates the release of stomach acid, or ...
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