Term
| salivary glands, liver, pancreas, gall bladder |
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Definition
| What are the accessory organs that assist the G.I. tract? |
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Term
| mouth, esophagus, stomach, small intestine, lg. intestine, rectum |
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Definition
| What are the parts of the alimentary canal? |
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Term
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Definition
| Approximately how long is the GI Tract? |
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Term
| ingestion, mechanical digestion (chewing), begins starch digestion, lubricates food |
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Definition
| What are the functions of the mounth? |
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Term
| parotid, submandibular, sublingual |
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Definition
| What are the 3 salivary glands? |
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Term
| lubricates food, cleans teeth, digests starch with amylase |
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Definition
| What are the functions of saliva? |
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Term
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Definition
| How much saliva do we make daily? |
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Term
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Definition
| Which teeth are the biting teeth in the front of the mouth? |
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Term
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Definition
| Which teeth are your grinding teeth in the back of the mouth? |
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Term
| soft palate and uvula raise to block entry to nasopharynx; tongue raise up to roof of mouth; epiglottis closes larynx |
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Definition
| What 3 things happen during the swallowing reflex to direct food down the esophagus. |
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Term
| the soft palate and uvula raise up to block entry into nasopharynx |
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Definition
| What keeps food from going into the nasal cavity? |
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Term
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Definition
| What's food called that is in the mouth and swallowed? |
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Term
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Definition
| What is the lining of the esophagus made from? |
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Term
| waves of muscle contractions that propel food from esophagus to stomach and also in the intestines. |
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Definition
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Term
| it has muscle layers that go in many different directions, so it can squeeze in many different directions |
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Definition
| What structural features of the stomach allow it to do mechanical digestion effectively? |
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Term
| kill bacteria, regulate release of chyme; mix and churn food with gastric juice; limited absorption; protein digestion |
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Definition
| List the stomach functions. |
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Term
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Definition
| Which organic molecule begins its digestion in the stomach? |
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Term
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Definition
| What organic molecule begins it's digestion in the mouth? |
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Term
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Definition
| What cells line the gastric glands? |
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Term
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Definition
| What do chief cells make? |
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Term
| makes HCl, hydrochloric acid |
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Definition
| What do parietal cells do? |
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Term
| make mucus that lines the stomach to protect it from digestive enzymes and acid. Some of the mucus has bicarbonate in it to neutralize the acid. |
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Definition
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Term
| When they start thinking about food or food enters the stomach. |
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Definition
| When does one start making gastric secretions? |
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Term
| the vagus nerve; parasympathetic control from hypothalamus |
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Definition
| What nerve stimulates the production of gastric juice? |
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Term
| salts, water, simple sugars, (non-nutrients include alcohol, and lipid soluble drugs) |
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Definition
| What types of nutrients are absorbed directly from the stomach into the blood? |
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Term
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Definition
| Impulses from vagus nerve also stimulate the release of what hormone in the stomach? |
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Term
| It stimulates the release of more gastric juices from the stomach |
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Definition
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Term
| One tablespoon at a time. |
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Definition
| About how much chyme is sent to the duodenum at one time? |
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