DIGESTIVE SYSTEM Digestion is a process of breaking down complex food molecules into simple ones‚ suitable for absorption and their subsequent utilization in our body PURPOSE to convert complex food molecules into simpler ones‚ suitable for absorption and utilization production of energy‚ necessary for survival & vital chemical activity growth & development of the body repairing function reproductive function lactation FUNCTION to keep the
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Digestive System * uniquely constructed to perform its specialized function of turning food into the energy you need to survive and packaging the residue for waste disposal. Parts of the digestive system: 1) MOUTH * is the beginning of the digestive tract; * digestion starts here when taking the first bite of food. * Chewing breaks the food into pieces that are more easily digested‚ while saliva mixes with food to begin the process of breaking it down 2) ESOPHAGUS
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the digestive system Digestion breaks down larger molecules into smaller ones. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Many of our foods are
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Part C Digestion is the procedure of breaking down food into smaller parts. Most of the food humans consume should be digested into more basic parts‚ in order for it to be absorbed into the body and used within the body. Additionally‚ nutrients are the most important substances that allow the body to perform daily activities. Furthermore‚ carbohydrates‚ fats and proteins are the chief nutrients that the human body needs‚ in order to grow‚ repair‚ move‚ and maintain homeostasis. These nutrients
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Digestive System We all have to eat food to survive when the average person eat food we don’t think about all the things your body have to do just to digest what we ate this short essay I will explain to you the process of how we digest food. Digestion times vary between people but on the average it takes 24-72 hours for our body’s to digest food. The first process with digestion is ingestion which means the chewing process while we chew food it’s broken up in the mouth with saliva and forms
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Structures and functions of the Digestion System This essay aims to explain the structure and functions of the digestion system‚ starting from consuming a cooked dinner to chemical and physical changes within the body‚ to prepare or help absorption of vital nutrients and help disposal of waste. The structure of the digestive system starts with the gastrointestinal tract‚ it is a tube that runs from the mouth to the anus and because of this some scientist says it is an external organ; there
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DIGESTIVE SYSTEM FUNCTION -The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity‚ pharynx‚ esophagus‚ stomach‚ small intestines‚ and large intestines. In addition to the alimentary canal‚ there are several important accessory organs that help your body
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The digestive system prepares food for use by hundreds of millions of body cells. Food when eaten cannot reach cells (because it cannot pass through the intestinal walls to the bloodstream and‚ if it could would not be in a useful chemical state. The gut modifies food physically and chemically and disposes of unusable waste. Physical and chemical modification (digestion) depends on exocrine and endocrine secretions and controlled movement of food through the digestive tract. Mouth Mouth Food enters
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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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Nika Braiman 03/11/13 Digestive System Disorders Go to the following website: http://www.nlm.nih.gov/medlineplus/digestivesystem.html Review the structures of the digestive system using the interactive diagram. When you click on each digestive organ‚ a list of disorders related to that structure will be displayed. Complete the chart by matching the disorder with the structure involved with the disorder. Click on the disorder to get the description. Many disorders affect more than one structure
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