The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue‚ salivary glands‚ pancreas‚ liver‚ and gallbladder).[1] In this system‚ the process of digestion has many stages‚ the first of which starts in the mouth. Digestion involves the breakdown of food into smaller and smaller components‚ until they can be absorbed and assimilated into the body. Chewing‚ in which food is mixed with saliva begins the process of digestion. This produces a bolus
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RT Year 8 Science Body System Investigation My Question: Do plants have or need a digestive system? Some plants have digestive systems‚ but those plants live in marsh areas because they can’t get adequate nitrogen. But most plants don’t have digestive systems. Plants that don’t have digestive live in soils and environments that contain all the nutrients and other things they need. Plants that have a special type of digestive system that is much different to humans live in areas with not enough
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The Function and Mechanics of the Digestive System SCI/241 The Function and Mechanics of the Digestive System My 4 year old daughter asked me‚ “Mommy‚ how does food go to my stomach?” It is really weird the questions children ask but I had to explain. In this paper I will explain the function and mechanics of the digestive system. The body ’s method of taking the food we eat and breaking it down to obtain vital nutrients that will allow us to live and be healthy is digestion. According
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multimedia system‚ you just need to simply double-click on yhe “Human Digestive System.exe” file. By doing this you will directly be brought to the opening screen and after that will directly to the main menu screen. There will be five buttons on main menu‚ they are “Learning”‚ “Exercise”‚ Demo Video”‚ and “Exit”. Each of these button will bring you to several different pages. 1. Learning By clicking this button‚ you will be brought to the learning material of “Human Digestive System”. after you
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The Digestive System The digestive system is made up of the digestive tract—a series of hollow organs joined in a long‚ twisting tube from the mouth to the anus—and other organs that help the body break down and absorb food. Organs that make up the digestive tract are the mouth‚ esophagus‚ stomach‚ small intestine‚ large intestine—also called the colon—rectum‚ and anus. Inside these hollow organs is a lining called the mucosa. In the mouth‚ stomach‚ and small intestine‚ the mucosa contains tiny
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ANATOMY AND PHYSIOLOGY OF THE DIGESTIVE SYSTEM The digestive system is basically a tube running through the body from the mouth to the anus. The organs of the digestive system include the oral cavity (mouth)‚ esophagus‚ stomach‚ small and large intestine and rectum. Their role is to break down food and deliver the products to the blood for dispersal to the body cells. The undigested food that remains in the tract leaves the body through the anus as feces. The break down activities that
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Observation of Digestive and Circulatory System Introduction/Background: This week’s lab is about digestion and the circulatory system. Students will be learning about the different types of digestion and circulatory systems for different types of animals. Students will learn not only about the mechanical and chemical components of digestion‚ but also the complete and incomplete digestions. The lab will also teach the open and closed‚ single and double‚ circulation patterns. Several different models
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Anatomy Travel Bureau welcomes you to Your Digestive System! [pic] Kaitlynn Daseke-Collette Anatomy and Physiology The Digestive System This journey your about to experience may take up to several days. I hope you’ve packed well. We will be going through seas‚ acid rains‚ and dry‚ desert like conditions. So without wasting any more time let me give you a play by play of your vacation! First Stop Our first stop will be breakfast after you wake up on day one. You will
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Digestive System Study Guide 1. Define the term digestion and explain its significance. The chemical and mechanical process of breaking down food and its absorption. Its essential to maintaining life. 2. Distinguish between mechanical digestion and chemical digestion. Chemical digestion is where complex food molecules are broken down to the basic building blocks by enzymes. Mechanical digestion is chewing‚ churning and segmentation. 3. Discuss the five digestive processes that overview the many functions
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The Digestive System: Anatomy Review 1. List two main divisions of the digestive system. a. Gastrointestinal tract b. Accessory digestive 2. The four main layers of the digestive tract wall are a. Mucosa b. Submucosa c. Muscularis Externa d. Serosa 3. Label the diagram below with the four main layers you listed in question 6. 4. The mucosa includes a type of columnar __cell______that forms the inner lining of the lumen 5. Blood and lymph vessels of the mucosa are found in its _epithelial
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