human digestive system
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human digestive system |
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| navigate by keyword : abdomen anatomical anatomy appendix background black body colon digestion digestive duodenum esophagus food gallbladder health healthy human illustration internal intestine isolated large liver male man medical medicine mouth muscle organ pancreas picture rectum science small spleen stomach system tongue torso |
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| The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). In this system, the process of digestion has many stages, the first of which starts in the mouth (oral cavity). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The secretion of saliva helps to produce a bolus which can be swallowed to pass down the oesophagus and into the stomach. |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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