illustration human body digestive system |
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| navigate by keyword : anatomy ancient and animals atoms body chewing digestion digestive dilated following from functions gastrointestinal greek has hollow human humans illustration including invertebrates involved many mastication means mouth muscular organ other phase second several stomach stomachs structure system tract vital |
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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.[1] In this system, the process of digestion has many stages, the first of which starts in the mouth. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. |
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