The Digestive System And Digestive Systems

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The digestive system is a myriad of organs functioning together to turn food into energy and basic nutrients to nourish the whole body. Food passes through a long tube on the inside of the body which is known as the alimentary canal or the gastriontestinal tract. Digestion begins in the mouth. The process begins way before food comes in contact with the stomach. When a smell that pleases our senses (smell, taste or imagining a delicious snack) the salivary glands, which are below the tongue and near the mandibular jaw, start producing saliva. The digestive system is very important for many different reasons. It helps turn our food and drinks into small molecules of nutrients, before the blood absorbs them and takes them to cells throughout the body. The body breaks down all nutrients into protein, fats, and vitamins. There are many different regions that play a role in our digestive systems. The digestive system is composed of many different elements that help our daily needs in breaking down, processing, and eliminating waste. Without this system we wouldn 't be able to live. The digestion system is one of the most important aspect of our bodies. Carbohydrates are sugars, startches, and fiber found in almost every food we consume. Carbrohydrates are called "simple or complex" depending on their chemical structure. Simple carbrohydrates consist of sugars that are found naturally in food such as vegetables, milk, fruit, as well as sugars added during food processing. Whole grain breads and ceral are examples of complex carbrohydrates. The Dietary Guidelines for Americans, 2010, reccomends that 45 to 65 percent of our total daily calories come from carbrohydrates. Protein comes from many different sources. Breans, eggs and me... ... middle of paper ... ...digestive process starts. As adults, we have 32 teeth. All of our teeth produce different fuctions for our digestive system. Teeth are considering organs of mastication. Chewing the food properly gives the sign to saliva to break down certain carbrohydrates. The incisor teeth cut food and push it to the back teeth which are our molars and premolars (with the help of the tongue) The back teeth help with breaking down surfaces. Did you know the relationship between dental disease and digestive disorders is from tooth loss? Studies show that changes in food choices and subsitute nutrient deficiencies are assoiated with tooth loss. Your control to chew your food properly is just as important in the foods you choose to digest. The American Dental Assoiation (ADA) recommends propely daily oral hygiene as the number one way to keep your teeth and digestive tract healthy.
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