PPT-Guided Notes on Accessory Digestive Organs

1 What is saliva and what are the functions of its 2 components Saliva is a mixture of mucus and serous fluids Mucus moistens and binds food together into a bolus The serous fluid contains an enzyme called salivary amylase that begins starch digestion. 412423 Divisions of Digestive System 1 Alimentary Canal or Gastrointestinal Tract GIdigests and absorbs food coiled hollow tube with 2 openings mouth pharynx esophagus stomach small intestine large intestine 2 Accessory Organs assist in breakdown & Teeth. Anatomy & Physiology . Mrs. . Halkuff. What is an accessory organ?. Accessory organs produce secretions that aid the organs of the alimentary canal.. Include:. Salivary Glands. Pancreas. TRACT. FUNCTIONS. DIGESTION: transformation of food, absorbable nutrients and compounds. mechanical and chemical. ABSORPTION: Selective transfer of substances across the intestinal cells. PROTECTION: Exclusion of harmful substances. And Enzymes. Do Now—on Tuesday/Wednesday’s Box. List the three accessory organs and at least one function for each.. Accessory Organ #1: Function of accessory organ #1. Accessory Organ . #2: . Function of accessory organ . 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. 6.2. Small Intestine. Longest part of digestive tract. Some physical digestion through . segmentation. Chyme sloshes back and forth between segments as circular muscles briefly contract. Main function. EQ: What is the difference between the alimentary canal and the Accessory Digestive organs? Pgs 469-470 If you missed exam on Thursday/Friday, must be made up by Thursday! OBJECTIVES To compare and contrast chemical vs. mechanical digestion. Pages 473-476 and 494-497. Teeth. – mechanical digestion through mastication. Salivary glands . – parotid, . submandibular. , sublingual. Secrete saliva, a bicarbonate rich juice. chemical digestion via secretions of enzymes. NUTRIENTS IN DIGESTIVE SYSTEM. They. are . substances. . that. . plants. and . animals. . need. . to. . live. and . grow. .. The. . digestive. . system. . is. . the. . group. of . organs. Pages 473-476 and 494-497. Teeth. – mechanical digestion through mastication. Salivary glands . – parotid, . submandibular. , sublingual. Secrete saliva, a bicarbonate rich juice. chemical digestion via secretions of enzymes. How are they different?. What is the difference between humoral and cell-based immunity?. Do Now. By the end of this presentation, you will know:. The roles of the digestive system. The functions of each organ in the digestive system. 1. What are the 2 groupings of the digestive organs?. The alimentary canal. The accessory digestive organs. 2. What are the functions of the alimentary canal?. It ingests and digests food, absorbs nutrients, and defecates wastes. Digestive System . Dr. Buthaina . Ibrahem. Al-. ezzi. Zahraa. Ahmed . . The accessory organs of the digestive system are located outside of the digestive tube. . Excretory glands . from the salivary glands open into the oral cavity. The . The organ include: . A- Salivary glands. : function of them are:. 1- To wet and lubricate ingested food and oral mucosa.. 2- initiate the digestion . of carbohydrates . and lipids with amylase and .