The Digestive System
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show | alimentary canal
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show | swallowing
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what parts of the alimentary canal is involved in peristalsis? | show 🗑
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everything in the GI tract is composed of simple columnar tissue except for ___ which is composed of what type of tissue? | show 🗑
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show | accessory organs
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the accessory organs include: | show 🗑
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processes of the digestive system. | show 🗑
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food moving through the GI tract is known as: | show 🗑
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show | peristalsis & swallowing
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what 3 things happen in mechanical breakdown? | show 🗑
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show | absorption
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show | defecation
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show | mucosa
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show | serosa
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show | submucosa
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show | mucosa
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show | epithelium. lamina propia & muscularis mucosa
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show | absorption
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show | eases food passages
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this alimentary layer has a circular & longitudinal layer.. | show 🗑
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parasympathetic has an impulse on the alimentary canal by.... | show 🗑
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which ANS system stimulates dehydration, thickens saliva, and decreases rate of stomach emptying? | show 🗑
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show | monitor for bacteria & can activate immune response
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what enzyme begins digestion in the mouth? | show 🗑
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the tongue mixes food with saliva forming it into a compact mass called | show 🗑
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show | the stomach
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show | pyloric sphincter
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the stomach is responsible for... | show 🗑
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intrinsic factor is required for... | show 🗑
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show | it helps food get broken down into smaller fragments ramming it into the small intestine
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show | secrete protective mucous
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show | parietal cells
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show | unknown
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this type of cell secrets pepsinogen & lipases... | show 🗑
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show | chemical messengers like histamine, gastrin, somatsin, and serotine
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stimulatory events for the cephalic phase of gastric secretion consists of ... | show 🗑
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show | loss of appetite and depression
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show | inhibitory - gastric
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show | stimulatory event - gastric phase
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the stomach starts to stretch and empty into the duodenum in what phase... | show 🗑
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show | presence of fatty acids or chyme - irritant in duodenum
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hepatocytes store glucose & glycogen and use amino acids to make... | show 🗑
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bilrubin... | show 🗑
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show | cholesterol
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show | stores bile that's not needed immediately
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show | gallbladder
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___ emulsify fats within small intestine - makes more digestible | show 🗑
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show | pancreas
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this stimulates gallbladder contraction & stimulates release o pancreatic enzymes | show 🗑
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show | fats & proteins in chyme
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___ stimulates secretion of bicarbonate acid | show 🗑
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secretin inhibits... | show 🗑
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___stimulates liver cells to secret bile | show 🗑
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show | breaks proteins into amino acid
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show | breaks down carbohydrates
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nucleases | show 🗑
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show | breaks down fats
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why are proteases activated in duodenum? | show 🗑
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show | small intestine
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show | segmentation
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show | duodenum, jejunum, and ileum
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in the small intestine, most digestion occurs here. | show 🗑
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what division does most absorption occur in the small intestine? | show 🗑
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structures that increase the surface area of the small intestine. | show 🗑
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folds of the mucosa | show 🗑
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show | microvilli
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show | villi
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show | circular folds
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show | villi
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this include the brush-border enzymes that completes digestions of the carbohydrates & proteins... | show 🗑
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the large intestine functions in.... | show 🗑
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what happens in the small intestine after a meal? | show 🗑
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show | peristalsis sweeps contents towards large intestine - waves initiated every 90-120 min
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show | the mouth
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show | insufficient fiber intake
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show | diarrhea
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show | every 30 min - slow segmenting movements
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show | mass peristalsis, low-slow contractile waves
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show | during or just after eating , happens 3-4 times a day
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