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digestive system 2

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Across
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A hollow tube connecting the oral cavity to the stomach (separated from the trachea by the epiglottis). Food is mixed with saliva and then is moved in a bolus via the action of peristalsis
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Releases saliva to moisten food and contains enzymes (e.g. amylase) to initiate starch breakdown
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The final section of the alimentary canal, where water and dissolved minerals (i.e. ions) are absorbed. Consists of the ascending / transverse / descending / sigmoidal colon, as well as the rectum
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A temporary storage tank where food is mixed by churning and protein digestion begins. It is lined by gastric pits that release digestive juices, which create an acidic environment
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Takes the raw materials absorbed by the small intestine and uses them to make key chemicals. Its role includes detoxification, storage, metabolism, bile production and haemoglobin breakdown
Down
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long, highly folded tube where usable food substances (nutrients) are absorbed. Consists of three sections – the duodenum, jejunum and ileum
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Stores the bile produced by the liver (bile salts are used to emulsify fats). Bile is released into the small intestine via the common bile duct
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Produces a broad spectrum of enzymes that are released into the small intestine via the duodenum. Also secretes certain hormones (insulin, glucagon), which regulate blood sugar concentrations
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Stores & expels feces