they need every day to survive. In order to do this they have a specialised digestive system where there is an efficient absorption of energy. Food passes through very quickly and is all absorbed‚ leaving little waste. Birds have no teeth so digestion does not begin in the mouth‚ all of the food breakdown must occur within the digestive system. Food enters through the mouth where it passes down the esophagus into the crop. This organ is where the food is stored and begins to soften. From here
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enzymatic reaction will take place. Enzymatic reaction is known as digestion and this is defined as the chemical breakdown of the ingested complex food molecules by the action of biological enzymes‚ into simplest form that can be absorbed into the blood stream and assimilated into living cells. In human beings‚ various components of the ingested food are digested and absorbed at various sections of the alimentary canal . The first digestion process starts at the mouth in which cooked starch is reduced
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add-ons within the mouth and hold it in place while the teeth crush or tear it. The incisors and canines primarily cut and tear the hamburger‚ while the premolars and molars primarily crush and grind it. Mastication begins the process of mechanical digestion‚ in which the hamburger particles are broken down into smaller ones. The tongue moves the hamburger in the mouth and‚ in cooperation with the lips and cheeks‚ holds the hamburger in place during mastication. During this process‚
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Diarrhea Causes & Causes of Diarrhea Most of the time we know what caused our diarrhea‚ right? You had a meal and within 2 hours you were stuck on the toilet. Or you had some ice cream and an hour later the diarrhea hit you. Or maybe it was the next morning. But what is it about that meal or that ice cream that has you screaming‚ "I hate diarrhea!"? Or what about other times when diarrhea seems to come out of nowhere? What caused it then? I’m going to share with you a number of causes of diarrhea
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General Biology II (BIOL 2061) – Spring 2013- Hartley Unit 5 – Animal Form & Function‚ Metabolism and Digestion I. Learning Goals – Note that there are both content and competency goals in this course. II. Reading Assignment with Comprehension Questions I suggest you complete the comprehension questions as you read each chapter or directly after. Read the chapters before coming to class. III. Lecture Note Template You can use this template to fill in your lecture notes
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DIGESTIVE SYSTEM Digestion is a process of breaking down complex food molecules into simple ones‚ suitable for absorption and their subsequent utilization in our body PURPOSE to convert complex food molecules into simpler ones‚ suitable for absorption and utilization production of energy‚ necessary for survival & vital chemical activity growth & development of the body repairing function reproductive function lactation FUNCTION to keep the
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acid (HCL)‚ it is a term that covers all digestive enzymes. The process of digestion‚ absorption and assimilation begins with the enzymes present in the saliva that soften what we eat so it continues into the gullet as a paste. Penetrating the diaphragm‚ this gullet ends in a strong‚ muscular bag we know as the stomach. Having taken about 3 seconds to reach here‚ this foodstuff is turned acidic by the HCL for further digestion by peptin and gastrin before it enters the small intestines where this acid
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purpose of the esophagus is to transport food from the mouth to the stomach. Digestion is the proper term for breakdown. The small intestine can hold about 48 quarts and is about 70 feet long. The three sections of the large intestine are the cecum‚ colon‚ and rectum. Bacteria is present in the cecum to break down roughages. Fecal balls are formed in the colon. The functions of the digestive system are digestion‚ absorption‚ and elimination. A non-ruminant herbivore is an animal that has a
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organ of the alimentary canal The alimentary canal includes the mouth‚ pharynx‚ esophagus‚ stomach‚ small intestine‚ large intestine‚ andanal canal Mouth Food enters the digestive tract through the mouth. The labia (lips) protect its anterior opening‚ the cheeks form its lateral walls‚ the hard palate forms its anterior roof‚ and the soft palate forms its posterior roof. The space between the lips and cheeks externally and the teeth and gums internally is the vestibule. The area contained by
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Even thought its not part of the digestive system teeth are very resourceful for aiding digestion‚ in all Herbivores they have a Horny pad which helps initially crush the food and a meeseter that is larger than that of a carnivore so it can chew for longer‚ they have cainines at the front and molars and pre molars that grind at the back‚ so that the foodis crushed and soft making the break down and digestion of food easier. Example: Cow chews its food for a long time to crush it andmake it easier
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