R E V I E W NAME ____________________________________ LAB TIME/DATE _______________________ S H E E T EXERCISE 38 Anatomy of the Digestive System General Histological Plan of the Alimentary Canal 1. The general anatomical features of the alimentary canal are listed below. Fill in the table to complete the information. Subdivisions of the layer (if applicable) Wall layer mucosa submucosa muscularis externa serosa or adventitia Major functions epithelium‚ lamina propria‚ (not
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I will be swallowed by a 55 year old man‚ while he is eating his meal consisting of a hamburger‚ French fries‚ and a root beer. I will be piloting my sub through his gastrointestinal tract to monitor the digestion of his meal‚ I will be describing all major structures I go through. Digestion begins in the mouth. A brain reflex triggers the flow of saliva when we see or even think of food. Saliva moistens the food while the teeth chew it up and make it easier to swallow. Amylase‚ which is the digestive
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Galactose Carb in milk (milk sugar); contributes half of energy in milk Lactose Intolerance- body lacks enough lactase Hydrolysis Chemical reaction- breaks a disacch into 2 monosacchs Water molecule splits to provide H and OH Commonly occurs in digestion Condensation Chemical reaction- links 2 monosacchs Hydroxyl group (OH) & H atom combine to form water Polysaccharides- chains of monosacchs; complex carbs Glycogen Storage form of energy in the body (1/3 in liver‚ 2/3 in muscle cells) Built
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Ayurvedic Lifestyle Self Care Daily routine Dina-carya The term ‘dina’ means day and ‘carya’ denotes routine‚ the word ‘carya’ coming from the root ‘car’‚ which means ‘to move‚ to follow or to walk’. Hence Dina-carya is the path we follow to the beat of nature’s heart leading us to joy and enlightenment. This is why a teacher or master is known as ‘acarya’‚ or one who flows with nature’s rhythm. The importance of dina-carya The small habits we perform consistently on a daily basis have immense
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Pancreatitis The pancreas is a large gland positioned beside the duodenum and behind the stomach whose primary function is to enhance the digestion of carbohydrates‚ proteins‚ and fat by secreting special digestive enzymes into the small intestine. It secretes the hormones insulin‚ glucagon‚ pancreatic polypeptide and somatostatin into the bloodstream to facilitate blood glucose metabolism (Huether & McCance‚ 2017‚ p. 901-902). Pancreatitis is the inflammation of the pancreas which can be characterized
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involved in chewing also know as masticating. The purpose is to break down food into small enough pieces to pass through the esophagus and enter the stomach. The food is moistened with saliva helping turning it into bolus in order to turn initiate the digestion of food. The esophagus is a tube like muscle which use contractions to pass food from the mouth into the stomach it does not help with the digestive or absorptive function. The stomach acts like a sort of storage depot for food‚ but also acts as
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Body Part Function Mouth Entrance point for food; initiates the digestion process. Tongue Contains taste buds; aids in chewing and swallowing Salivary Glands Parotid: limit the extent of swelling when they are inflamed. Sublingual: produce mucin which is found in saliva. Submandibular: produces 70% of saliva made in the body. Pharynx Carries air to the trachea; carries food to the esophagus. Esophagus Carries bolus from mouth to the stomach. Cardiac Sphincter Prevents backflow of food
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thing about the large intestine is that it produces vitamins which become absorbed. The bad thing about this structure is that bacterial infections can occur‚ and irritate the the large intestine. Finally‚ we are in the last stage of the human digestion processes‚ the rectum. I hope I’m getting paid a lot for this. There must be some sort of deal here‚ oops‚ sorry‚ we’re on the air! We are live in the rectum‚ where the feces is stored until it is eliminated from the body. Well folks‚ now you know
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stomach‚ small and large intestine‚ and the anus. There are also accessory digestive organs involved including the salivary glands‚ liver‚ pancreas‚ and gallbladder. Digestion begins in the oral cavity where the cheeks and lips press the food against the teeth‚ a process known as mastication. This is the first phase of mechanical digestion which is also aided by the tongue. There are three major pairs of salivary glands that secrete approximately 1 liter
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Animal Survival The need for Food There are 3 main types of food: carbohydrates‚ proteins and fats. * Carbohydrates and fats are both required for sources of energy. * Proteins are needed for growth and for repair or worn out tissues. Digestion is the process of breaking down large‚ insoluble food particles into smaller‚ soluble particles. This means they are small enough to pass through the wall of the small intestine and to dissolve into the blood. Different mammals eat different types
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