through the digestive system. Answer the following questions: How long does it take for food to go through the digestive system? How does digestion occur in each of the following parts of the digestive system? Large intestine Mouth Small intestine Stomach Note. Include descriptions of other organs or components of the digestive system. From what I have learned from this week’s reading and watching the animated digestive tract. Digestion is the complex process of turning the food you eat into the
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organs joined in a long‚ twisting tube from the mouth to the anus. The tubes actually are about 30 feet long if they were stretched out‚ but seem smaller because of the way they are wrapped around. The main parts are the mouth‚ teeth‚ esophagus‚ stomach‚ small intestines‚ large intestines‚ colon‚ rectum‚ and anus. The pancreas‚ gallbladder‚ and liver are also key parts because of their functions in the digestive system. There are four main functions of the digestive system. It processes and stores
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Deglutition Mixing/Churning Peristalsis- movement of muscles within GI tract that facilitates movement of food Chemical- Hydrolysis (using H2O) of macromolecules into monomers (residues) carried out by digestive enzymes produced by salivary glands‚ stomach‚ pancreas‚ & small intestine. Carbohydrates Polysaccharides Monosaccharides Proteins Polypeptides & Amino Acids Fats Monoglycerides‚ glycerol & fatty acids nucleic acids nucleotides 4. Absorption- uptake of nutrients into epithelial
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created by by three large salivary glands. This amylase breaks down starch and carbohydrates. However‚ since only a few people keep the food in their mouth long enough for the amylase to digest the carbohydrates completely‚ it continues down to the stomach through the esophagus. A lot of people may think that the salivary amylase continues working on the carbohydrate. However since the stomach’s acidity is very high the salivary enzyme is inactivated. Carbohydrates do not resume their digestion until
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d. Click Mechanical Digestion in the Gastrointestinal Tract. Introduction 1. Define the gastrointestinal tract (GI). The GI tract is the stomach and intestine divided up into the upper and lower GI 2. Identify three mechanical digestion activities. a. Chewing b. Mixing food and saliva with tongue c. Churning food into the stomach 3. Name two feedback loops that regulate digestive system smooth muscle responsible for propulsive and mixing movements. Alternating contractions
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Opening my eyes on my tiny bun‚ I saw the waiter getting ready to pick up my tray. With my buddies‚ Salty and Piper alongside me‚ we entered the big room full of loud mouths‚ chewing‚ talking‚ and even singing. Setting my tray down on the beautiful white clothed table I looked up‚ I saw two big hands reaching for me. This was it‚ the experience I’ve been waiting for my whole life. All my family members have experienced the place I’m about to enter‚ but they have never returned‚ obviously because
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from the mouth to the anus is known as the alimentary canal or the gastrointestinal (GI) tract. 3. How is the muscularis externa of the stomach modified? It has a third (obliquely oriented) muscle layer. ___________________________________________________________________________________________________ How does this modification relate to the function of the stomach? Vigorous churning activity occurs here. ___________________________________________________________________________________________________
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Processes of Digestion: Activity 3: Assessing Pepsin Digestion of Protein Lab Report Pre-lab Quiz Results You scored 40% by answering 2 out of 5 questions correctly. 1. Where in the body does protein digestion begin? You correctly answered: b. the stomach 2. The substrate for pepsin is You correctly answered: d. protein and peptides. 3. In this activity the substrate you will be using to detect protein digestion is Your answer : a. pepsin. Correct answer: d. BAPNA. 4. Negative results with the
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In Egyptian culture‚ when the process of mummification was taking place an embalmer would remove four major internal organs which included the lungs‚ liver‚ stomach and intestines‚ These organs were then also mummified and placed in special containers known as canopic jars. Each jar had it’s own separate lid that represented a group of gods called “The Four Sons Of Horus” and each was used and responsible for protecting the particular organ. The time period of these jars ranged from around 712–332
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pain? Swallowing is the involuntary contraction of pharyngeal muscles which sets peristalsis and begins with coordinated contractions and relaxation of muscles in the esophagus and into the stomach‚ where she just had surgery. Why might reduction of the size of Chloe’s stomach reduce her acid reflux? The stomach empties quicker‚ because of the bypass of the duodenum where the most‚ if not all the churning takes place with digestive enzymes this will force the sphincter to emit the reflux. How will
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