PPT-9.1 The Digestive Tract

The digestive system is involved in the ingestion and digestion of food and elimination of indigestible material Digestion takes place within the digestive tract which begins with the mouth and ends with the anus. S Department of Health and Human Services NATIONAL INSTITUTES OF HEALTH What is gas Gasisairinthedigestivetractthelarge musculartubethatextendsfromthemouth totheanuswherethemovementofmuscles alongwiththereleaseofhormonesand enzymesallowsforthedigesti . and Muscular. Systems . By Blandy , Esmeralda , Misty , Alexis , Idaly. Digestive system. The digestive tract (also known as the alimentary canal) is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste.. ALIMENTARY CANAL DIAGRAM. Draw and label the layers of the alimentary canal to include the following terms:. Mucosa. Submucosa. Circular muscle. Longitudinal muscle. Serosa. Mesentery. Lacteal. Villi. 1. Digestion and absorption. It is the physical and chemical break down of food. Absorption. It is the passing of the digested food through the epithelial cells into the blood stream. 2. Digestive system. the human body systems . interact? . Today I will learn about the integumentary and lymphatic systems because both systems are responsible for protecting the human body from . disease. .. Fact or Fiction? (7 minutes). PowerPoint® Lecture Slides prepared by Jason LaPres. Lone Star College - North Harris. Introduction to the Digestive System. Acquires nutrients from environment. Anabolism. Uses raw materials to synthesize essential compounds. . Qattan. 2. The GI tract. . (gastrointestinal tract). . Mouth. Pharynx. Esophagus. Stomach. Small intestine. Large intestine. Anus. The accessory digestive organs. Supply secretions contributing to the breakdown of food. DIGESTIVE SYSTEMPeople are probably more aware of their digestive system than of any other system not least because of its frequent messages Hunger thirst appetite gas and the frequency and nature of System. Dr.Fadia. Al-. khayat. The digestive system is composed of a continuous tract beginning with the oral cavity and ending at the anus. this tract is called the . alimentary canal . or the . gastrointestinal tract (GIT). Presented by. Dr . Sanjoy. Deka. Digestive system in . human. -Digestive Tract. - Alimentary canal. -. G. astrointestinal . tract . (. GI tract). Salivary Gland. Gastric Gland. Villi are small finger-like projections located in the walls of the small intestine. Their function is to increase the surface area in order to maximise the absorption of digested food.. continual supply . of water, electrolytes, and . nutrients.To. achieve . this requires . (. 1) movement of food through. the alimentary tract; (2) secretion of digestive juices. and digestion of the food; (3) absorption of water,. Ingestion: . The in take of food into the digestive tract through the mouth. Mechanical Processing: . The physical manipulation of solid foods into materials that are easier to propel through the digestive tract. Also increases the solid foods surface area which makes them more susceptible to enzyme activity and easier to absorb. . Ingestion. . – taking food/drink into mouth.. Propulsion. . – movement through alimentary canal (swallowing, peristalsis).. Mechanical Digestion. . – . Physical. breakdown of food (chewing, churning).. 4 . December 2012. Introduction to the alimentary system. T. he burden of GI diseases. Professor Julian . Walters. Gastroenterology. Overview. The organs of the alimentary tract. Symptoms and signs .