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August 26, 2017
1:21 am

can be classified into two basic sections, the upper gastrointestinal tract and the lower gastrointestinal tract. Upper Gastrointestinal Tract The process of digestion starts in the upper gastrointestinal tract which comprises the mouth, teeth, tongue, pharynx, esophagus and the stomach. Mouth: This is the first organ that begins the digestion process and it is here that mastication or breaking down of food takes place. The mouth further contains three basic organs – the salivary glands, tongue and the teeth. Salivary glands: When the mouth receives food, three pairs of exocrine salivary glands secrete saliva, which acts as a lubricating agent to moisten food. Saliva also produces a called amylase that breaks down the starch Alpha Monster Advanced present in highly starchy food into sugar or maltose. The saliva also contains some disinfecting or antibacterial properties which kills some of the bacteria and fungi during the chewing process. Tongue: This primary organ of taste has much more to it than just taste buds. It helps in the chewing and swallowing process which is also known as deglutition. The tongue guides the food and keeps it between the upper and lower teeth. The masticated food, called bolus is then swallowed. Teeth Just like the tongue, the human teeth play an important role in preparing the food for digestion. As the tongue pushes the food against the teeth, it starts chewing and breaking it into smaller pieces. Though, the teeth do not play an active role in the chemical simplification of the food, chewing makes it easier

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