Anus carbohydrate digestion from mouth

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Digestion is the breakdown of food into simpler molecules that can be absorbed by the body. The digestive system is actually a long hollow tube called the gastrointestinal tract, or GI tract. The digestive system includes the mouth, pharynx, esophagus, stomach, small intestine, and large intestine.

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Animals, for the most part, ingest their food as large, complex molecules that must be broken down into smaller molecules monomers that can then be distributed throughout the body of every cell. This vital function is accpomplished by a series of specialized organs that comprise the digestive system. Representative digestive systems are shown in Figure 1.

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Your digestive system is uniquely constructed to perform its specialized function of turning food into the energy you need to survive and packaging the residue for waste disposal. To help you understand how the many parts of the digestive system work together, here is an overview of the structure and function of this complex system. The mouth is the beginning of the digestive tract; and, in fact, digestion starts here when taking the first bite of food.

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Peristalsis is: :a the rhythmic contraction of the smooth muscle in the gut wall to push food along. Colour in and label the diagram of a villus in the small intestine using the colours suggested below. Arrange the following parts of the digestive system in the order in which food passes through on the way from the mouth to the anus.

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The table shows the main structures and associated organs of the human alimentary canal or gutand their functions. Digestive system The table shows the main structures and associated organs of the human alimentary canal or gutand their functions. Structure Function Mouth Where food enters the alimentary canal and digestion begins Salivary glands Produce saliva containing amylase Oesophagus Muscular tube which moves ingested food to the stomach Stomach Muscular organ where digestion continues Pancreas Produces digestive enzymes Liver Produces bile Gall bladder Stores bile before releasing it into the duodenum Small intestine - duodenum Where food is mixed with digestive enzymes and bile Small intestine - ileum Where digested food is absorbed into the blood and lymph Large intestine - colon Where water is reabsorbed Large intestine - rectum Where faeces are stored Large intestine - anus Where faeces leave the alimentary canal.

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A look at the time it takes for food to pass through the gut from mouth to anus. In a healthy adult, transit time is about 24—72 hours. Read the article The human digestive system for further information.

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The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liverpancreasand gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The hollow organs that make up the GI tract are the mouth, esophagusstomach, small intestine, large intestine, and anus. The liver, pancreas, and gallbladder are the solid organs of the digestive system.

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Error: This is required. Error: Not a valid value. Your digestive system breaks down the food you eat into nutrients such as carbohydrates, fats and proteins.

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It is the first part of the digestive system. It has teeth, salivary glands and tongue. Teeth chew the food so that it becomes in small pieces. Salivary glands secrete saliva.

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