Function of the digestive system book summaries, test. This book introduces readers grades 35 to the digestive system, including the digestive process, the organs involved in digestion, and common problems and diseases associated with the digestive system. The hollow organs that make up the gi tract are the mouth, esophagus, stomach, small. It breaks down food into simple chemicals that can be absorbed into the blood stream. Once the food enters the mouth, chewing mastication breaks food into smaller particles that can be more easily attacked by the enzymes in saliva. My journey through the digestive system free stories. The alimentary canal is the long tube of organs including the esophagus, stomach, and intestines that runs from the mouth to the anus. The gi tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus. The digestive system diagram, organs, function, and more. The chapters are interspersed with clinical cases which makes the anatomy and physiology clinically relevant. Digestive system diseases can interfere with how your body absorbs and uses food, processes and eliminates waste, and many activities of daily life. You will study the processes involved in the human digestive system including ingestion, initial processing, storage, digestion, absorption, and elimination.
The digestive system is made up of the gastrointestinal tractalso called the gi tract or digestive tractand the liver, pancreas, and gallbladder. There are about 30 feet 9 meters of these convoluted pipeworks, starting with the mouth and ending. Human digestive system online certification alison. Anatomically, the digestive system is made up of the gastrointestinal tract, along with accessory organs such as the liver, pancreas, and gallbladder. Highly illustrated with many original images from the authors daily medical practice, the book highlights all signs of diseases and important semiological maneuvers in the field. The digestive system of the human body comprises a group of organs working together to convert food into energy for the body. This book examines the vital components involved in consuming and digesting food as well as the diseases and disorders that can plague this frequently overlooked area of the human body. This course begins by discussing the human digestive system. What are the important parts of the digestive system.
Overview of the digestive system the digestive system, which extends from the mouth to the anus, is responsible for receiving food, breaking it down into nutrients a process called digestion, absorbing the nutrients into the bloodstream, and eliminating the indigestible parts of food from the body. These illustrations should not be downloaded, printed or copied except for personal, noncommercial use. The digestive system is made up of the alimentary canal also called the digestive tract and other organs, such as the liver and pancreas. The digestive system is the series of tubelike organs that convert our meals into body fuel. The digestive system 9780702033674 us elsevier health. Part of the scholastic true book series on the digestive system. The food is ingested by the alimentary canal and is propelled through the body for further processing.
A description of the various parts of the digestive system and the functions they perform. The system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy. Digestive system definition the digestive system is a group of organs consisting of the central gastrointestinal gi tract and its associated accessory organs a digestive system is a group of organs consisting of the central gastrointestinal gi tract and its associated accessory organs that break down food into smaller components so that nutrients can be absorbed and assimilated. Human digestive system, the system used in the human body for the process of digestion. From the blood stream, nutrients go first to the liver, which is a kind of chemical factory for the body. The process of digestion takes place in 6 major steps. The digestive system is divided into two major parts. It takes place in your digestive tract or gut, which is a long tube with muscly walls that runs from your mouth to your bottom anus. The mouth is the entry point for food, but the digestive system often gets ready before the first piece of food even enters our mouth. The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion the tongue, salivary glands, pancreas, liver, and gallbladder.
Chewing chewing is the first stage of the digestive system. In your digestive system, the fuel from food is identified. Digestive system five steps of digestion flip book designed for a grade 4 class after learning about the digestive system. To use the food they eat, they must change it into a form that the body can use. You will learn that the function of the human digestive system is to provide materials for energy, growth, and repair. Your digestive system searchlight books how does your. The biological reason for eating, however, is to replenish nutrients and to provide energy to support the bodys functions. If you notice symptoms of these five common disorders, dont hesitate to discuss them with your physician because treatment is available. Saliva is released by the salivary glands into our oral cavity when we smell food. The digestive tract alimentary canal is a continuous tube. When you chew your food it breaks up big pieces into little pieces that are easier to digest and swallow. The liver adjusts the nutrients so that the mix is what the body needs. Long food stays 45 hours duodenumanterior end uncoiled jejunum middle divisioncoiled ileum posterior end posterior part of the digestive system joined to the small intestine by the vermiform appendix food stay in the large intestine for 525 hours absorption of water caecumanterior portion appendix is located colon middle portion divided into ascending colon, transverse colon, descending colon and sigmoid colon.
This book covers the anatomy physiology pharmacology and histology of every part of the digestive system. The hollow organs that make up the gi tract are the mouth. The brokendown food is then absorbed into the bloodstream from the small intestine and the nutrients are carried to each cell in the body. Medical semiology guide of the digestive system provides a comprehensive understanding of medical semiology in the digestive system. Also known as the gastrointestinal gi tract, the digestive system begins at the mouth, includes the esophagus, stomach, small intestine, large intestine also known as the colon and rectum, and ends at the anus. It is made up of a series of muscles that coordinate the movement of food and. This true book features plenty of photos and helpful visuals.
Digestive system information and facts national geographic. How does the digestive system work for kids dk find out. The digestive system includes the salivary glands, mouth, esophagus, stomach, liver, gallbladder, pancreas, small intestine, colon, and rectum. The human digestive system breaks down food to release energy essential for the body to carry out its activities. Those nutrients provide energy to complete activities, repair damaged cells, and even help you grow. Each chapter covers a different part of the digestive system. Digestive system five steps of digestion flip book. The human digestive system consists primarily of the digestive tract, or the series of structures and organs through which food and liquids pass during their processing into forms absorbable into the. Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The different organs, or body parts, that are involved in this process make up the digestive system.
The only reason i did not give this book a 5 star rating is because it didnt include very much information on disorders of the digestive system. The digestive system converts the foods we eat into their simplest forms, like glucose sugars, amino acids that make up protein or fatty acids that make up fats. Students will draw each body partorgan and write a description of what the body partorgan does to help digestion. Digestive system of the dog the pictures in this section are reprinted with permission by the owner, hills pet nutrition, from the atlas of veterinary clinical anatomy. The function of the digestive system is digestion and absorption. Digestive system 97881912218 by pegasus and a great selection of similar new, used and collectible books available now at great prices. The digestive system is also known by a number of other names, including the gut, the digestive tube, the alimentary canal, the gastrointestinal gi tract, the intestinal tract, and the intestinal tube. The digestive tract or gastrointestinal tract is a long twisting tube that starts at the mouth and ends at the anus.
Today were learning about the digestive system the organs of the digestive system work together to break down food into small particles that the body can use as fuel. The digestive tract alimentary canal is a continuous tube with two openings. Some parts of your digestive system mash up food physically, just like a food processor. The digestive system description humans eat for many different reasons. It has special enzymes in it that start to break down starchy food potatoes, bread while you chew. Read this book to find out more about the digestive system. Making healthy food choices gives the body what it needs, but eating too much may cause the body to store up those extra nutrients as fat and that is unhealthy. Overview of the digestive system digestive disorders. This book provided a majority of the information my daughter needed for her report. Students need to read the world book online article prior to answering the worksheet questions. There are three differentiated tables on the last 3 pages where students record the function of each part of the digestive system. Human digestive system simple english wikipedia, the. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is the parts of the body that digest food.1461 982 595 148 613 304 1344 1150 93 1483 894 1246 1071 329 686 672 22 1097 1096 451 164 1027 1286 338 1169 1555 1173 504 911 1479 700 1302 609 1031 1062 526 29 960 105 997 286 1183 1290 629 632 658