PPT-The Digestive System

I Anatomy The digestive system The organs of the digestive system can be separated into 2 main groups Alimentary canal digests food and absorbs the digested fragments through its lining into the blood. A. Bacterial Diseases of the Upper Digestive Tract (Mouth & Stomach). 1. Tooth Decay (dental caries). A) This is an endogenous infection . 1) Most common infectious disease of humans . 2) Young are more susceptible than old. Lesson5– . Digestive System Model. Objectives. :. Students will gain a full understanding of how the digestive and excretory system work in their own . bodies.. Students will be able to name the parts of the digestive system.. 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:. 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.. 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.. GI tract. (gastrointestinal . (digestive) . tract. alimentary canal). Accessory organs:. teeth, . salivary . glands, . liver. , . gallbladder. , . pancreas. Digestion Involves Many Processes:. INGESTION. 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. Chapter 24 Digestive and Urinary Systems Section 1: Objectives Compare mechanical digestion with chemical digestion. Describe the parts and functions of the digestive system. The Digestive System 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. pharynx to esophagus all food changes that occur in the alimentary canalAnatomy Physiology Digestive System Ziser 2003breaking large molecules proteins fats starches etca thick coating of bicarbona 2.08 Understand the functions and disorders of the digestive system. Essential questions. What are the functions of the digestive system?. How do the functions of chemical and physical digestion interrelate?. 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,. to convert food into nutrients your body needs, and to rid the body of waste. . To do its job, the system requires the cooperation of a number of different organs throughout the body, including the mouth, stomach, intestines, liver and  gallbladder. 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. .