The digestive system is very important to the body. Without it‚ we would not be able to live. It is a series of hollow organs joined in a long‚ twisting tube from the mouth to the anus. The tubes actually are about 30 feet long if they were stretched out‚ but seem smaller because of the way they are wrapped around. The main parts are the mouth‚ teeth‚ esophagus‚ stomach‚ small intestines‚ large intestines‚ colon‚ rectum‚ and anus. The pancreas‚ gallbladder‚ and liver are also key parts because of
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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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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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6 primary functions of digestive system: 1. Ingestion- food intake 2. Secretion 3. Digestion- mechanical & chemical breakdown of food Mechanical Mastication- first step. Enables mixing with saliva to form bolus to be swallowed. Regulated by CNS. Deglutition Mixing/Churning Peristalsis- movement of muscles within GI tract that facilitates movement of food Chemical- Hydrolysis (using H2O) of macromolecules into monomers (residues) carried out by digestive enzymes produced by salivary glands
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vs. Digestive Processes Cooking Processes: Grilling Microwaving Frying Roasting Barbeque Boiling Steaming Poaching Digestive Processes: Ingestion Propulsion Mechanical digestion Chemical digestion Absorption Defecation Salivary Digestion SALIVARY DIGESTION Salivary Glands the salivary glands are a collection of accessory organs surrounding the mouth that secrete a fluid called saliva. Saliva consists of 99.5 % water and 0.5 % solutes. medium for dissolving soluble food molecules
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However to the digestive system I am carbohydrates‚ fat‚ and protein. When I am consumed‚ most of me is distributed in your body. However‚ what s not useful is expelled. The digestive system is meant to ingest food through your mouth‚ digest it is by breaking it down‚ ingest it to your bloodstream‚ and lastly excrete it through the anus. In this essay I will guide you through these four phases. Bread is made out of carbohydrates. In the digestive system‚ carbohydrates start the digestive process in
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Parts of the digestive system The digestive system consists primarily of the alimentary canal‚ a tube that extends from the mouth to the rectum. As food moves through this canal‚ it is ground and mixed with various digestive juices. Most of these juices contain digestive enzymes‚ chemicals that speed up reactions involved in the breakdown of food. The stomach and the small intestines‚ which are parts of the alimentary canal‚ each produce a digestive juice. Other digestive juices empty into the alimentary
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are different systems working together and form a human body work permit. One of this system is the important digestive system which consist of a cluster of organs‚ including the mouth‚ stomach and intestines. These organs allow the digestion of food. That means that digestion? It is a process of breaking down food into smaller components to make it easier absorption. There are three main steps in the digestive process: ingestion‚ digestion and absorption. The first step of the digestive process occurs
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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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