PPT-Digestive

Diseases SALMONELLA Small gram negative bacillus Salmonella spp are relatively resistant to bile acids H 2 S produced Acid and gas produced from glucose S typhi is a nongas producer and produces minimal H. 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. 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. 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.. 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. 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. 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. 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.. Section 1: Overview of the Digestive System (pp. 852-854). Two groups of organs. :. . 1) . Alimentary. canal. . - also known as . gastrointestinal. or . GI. tract. . - . digests. & . Systems Key. I. The . Respiratory System. Define . respiratory system.. The system that functions to get oxygen from the environment and remove carbon dioxide and other waste products.. I. The Respiratory System. 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. NUTRIENTS IN DIGESTIVE SYSTEM. They. are . substances. . that. . plants. and . animals. . need. . to. . live. and . grow. .. The. . digestive. . system. . is. . the. . group. of . organs. 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). To assimilate . food in . bowels. The Process of Digestion. Digestion:. The process of breaking down food into its . MOLECULAR. and . CHEMICAL. components so that these nutrient molecules can cross cell membranes to be used for cellular processes. . . Suhad Faisal . Hatem. The digestive system is a long continuous tube extending from the mouth to the anus . .The . main organs that make up the digestive system are. Oral cavity. Pharynx. Esophagus.