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Nov 29 2007, 11:59 PM EST
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Change: alla ofand theb aboveonly6. The other day as I sat on the toilet my rectal valves opened. As this happened, I eliminated what?a. cellulose b. undigested materialc. waterd. bacteriae. all of the above7. What is absorbed by osmosis following
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Nov 28 2007, 5:58 PM EST
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Change: hydochlorichydrochloric acidb. pepsinc. pepsinogend. complete gastric juice18. After eating my mothers home made burritos, I explained to her that when the burrito reaches my stomach secretion of my gastric juice will be stimulated by ________ which is a hormone.a. epinephrineb. secretinc. gastrin
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Nov 28 2007, 5:55 PM EST
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Change: spuesprueb. enterotoxinc. vibrio cholerad. bile canaliculus10. What types of contractions occur in small intestine?a. segmentationb. peristalsisc. gastroesophageald. both b and ce. both a and b11. There is a general assumption that everything
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Nov 28 2007, 5:53 PM EST
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Change: CholeriaCholera causes diarrhea due to a chemical called?a. celiac spueb. enterotoxinc. vibrio choleriacholerad. bile canaliculus10. What types of contractions occur in small intestine?a. segmentationb. peristalsisc. gastroesophageald. both b and ce. both a and b11. There
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Nov 27 2007, 3:27 PM EST
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Change: elimination-elimination- This refers to the temporary storages and the subsequent elimination of indigestible food molecules. LiverThe various functions of the liver are carried out by the liver cells or hepatocytes: The liver produces and excretes bile requires for
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Nov 27 2007, 3:26 PM EST
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Change: Absorption-Absorption- This refers to the passage of the digested end products into the blood and lymph.5. Storage and elimination- This refers to the temporary storages and the subsequent elimination of indigestible food molecules. LiverThe various functions of the liver are
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Nov 27 2007, 3:26 PM EST
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Change: Digestion-Digestion- Which refers to the breakdown of food molecules into their smaller subunits, which can be absorbed.4. Absorption- This refers to the passage of the digested end products into the blood and lymph.5. Storage and elimination- This refers to
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Nov 25 2007, 2:25 PM EST
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Change: 2-3lt2-3 liters of gastric juice a day. Endocrine secretions: The stomach and small intestine secrete a number of hormones that help to regulate the digestive system.3. Digestion- Which refers to the breakdown of food molecules into their smaller subunits, which can be absorbed.4. Absorption- This
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Nov 23 2007, 10:42 PM EST
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Change: 23. What do sodium, fatty acids, and vitamin A have in common?a. they are not enzymatically modified prior to absorption into the bloodstreamb. they cross the apical membranes of enterocytes by simple diffusionc. they are transported into the blood capillaries in the villid. they
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Nov 20 2007, 3:55 PM EST
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camanda
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Change: hepatocytes.hepatocytes: The liver produces and excretes bile requires for dissolving fats. Some of the bile drains directly into the duodenum, and some is stored in the gallbladder The liver performs several roles in carbohydrate metabolism:metabolism gluconeogenesisGluconeogenesis (the formation of glucose from certain amino acids, lactate or glycerol)
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Nov 20 2007, 3:53 PM EST
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camanda
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Change: QUESTIONSQuestions1. The digestion of protein involves all of these except:a. pepsin from the stomachb. chemical digestionc. increasing surface aread. mechanical digestion2. The capillary networks and lacteals in the villi of the small intestine are important for: a. absorption of nutrientsb. chemical digestion
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Nov 20 2007, 3:49 PM EST
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camanda
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Change: THE DIGESTIVE SYSTEMHere is a video about digestion. I thought it was great!! Which organ is the most important organ in the body? Most people would say the heart or the brain, completely overlooking the gastrointestinal tract (GI tract). Though definitely not the
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Nov 20 2007, 3:34 PM EST
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camanda
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Change: vagasvagus nerve, making the stomach also a storage vat for that acid.The secretion of gastric juices occurs in three phases: cephalic, gastric, and intestinal. The cephalic phase is activated by
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Nov 18 2007, 3:31 PM EST
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Nov 16 2007, 11:56 PM EST
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Nov 16 2007, 11:45 PM EST
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Nov 16 2007, 8:59 PM EST
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Change: There were only format changes (bold, italics, etc.) in this version. See this version for details.
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Nov 16 2007, 7:11 PM EST
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Change: aan important role in digestion: from being stored and concentrated in the gallbladder during fasting stages to being discharged to the small intestine.MasticationDigestion begins in the mouth. A brain reflex triggers the flow of saliva
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Nov 16 2007, 7:10 PM EST
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Change: callcalled the gastric rugae. Gastric rugae make the stomach very extendable, especially after a very big meal. Single celled organisimsorganisms and sponges digest their food intercellularly. Other animals digest their food extracellularly within a digestive cavity.**Specialization is when the digestive tract
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Nov 16 2007, 7:07 PM EST
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Change: throughtthrough the gastroitestinalgastrointestinal tract 2. Secretion- This includes both the exocrine and endocrine secretions. Exocrine secretions: Water, hydrochloric acid, bicarbonate and other digestive enzymes are secreted into the lumen of the gastrointestinal tract. The stomach alone, for example, secretes 2-3lt of gastric juice a day. Endocrine
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