stomach |
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| navigate by keyword : anatomy background biology body care cross digestion digestive drawing duodenum esophagus five food gastric health healthcare healthy heartburn human illustration isolated layer medical medicine mucosa muscle muscular nutrition organ pain science section senses stomach structure symbol system ulcers white |
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| The stomach is a muscular, hollow, dilated part of the digestive system which functions as an important organ of the digestive tract in many animals, including vertebrates, echinoderms, insects (mid-gut), and molluscs. It is involved in the second phase of digestion, following mastication (chewing). |
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