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. System: . From Mouth to Anus. Digestion. : Function. is. . to breakdown food into smaller molecules . (nutrients) to . be absorbed by the body. All undigested food is removed as solid waste.. Two parts. . 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.. Objectives. :. You . will use and understand the scientific process for groups experiments. Students will gain a full understanding of how the digestive and excretory system work in their own bodies. By Mr. Style. Parts of the Digestive System. The Mouth:. The . mouth is the beginning of the digestive system, and, in fact, digestion starts here before you even take the first bite of a meal. The smell of food triggers the salivary glands in your mouth to secrete saliva, causing your mouth to water. When you actually taste . Essential Question. What are the structures of the digestive system?. 2.07 Remember the structures of the . digestive . system. 2. Structures of the digestive system. Digestive system. Also known as:. 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. What do you already know?. Complete the Digestive System Handout to the best of your ability without looking in any text or your notes.. You may work in groups.. Do not complete the bottom overview.. Learning Objectives. Define Key Terms relating to the digestive system. Describe the four functions of the digestive system. Identify at least 10 digestive system structures and the function of each. Liang. , Kimberly Maldonado , and . Julian Smith. Parts of the body that supports the Digestion . system . Mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, gall bladder, colon, anus, salivary glands, chemical digestion, mechanical digestion. 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. Bell Work. Please answer these “pre-test” questions:. 1) Which has a longer length – the large intestine or the small intestine?. 2) True or False: Digestion begins as soon as it enters the mouth. 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,. Derivatives include respiratory system, liver, pancreas, . gall bladder and . endocrine . structures . All are endodermal in . origin. Digestive System includes . digestive tract. Mouth & Pharynx — Small Intestine. Ingestion. . – taking food/drink into mouth.. Propulsion. . – movement through alimentary canal (swallowing, peristalsis).. Mechanical Digestion. . – . Physical. breakdown of food (chewing, churning)..