PPT-Digestive System DIVISIONS OF THE GUT TUBE

As a result of cephalocaudal and lateral folding of the embryo a portion of the endodermlined yolk sac cavity is incorporated into the embryo to form the primitive gut Two other portions of the endodermlined cavity the yolk sac and the allantois remain outside the embryo . 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 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.. Behrouz. . Mahmoudi. Introduction. 1. Embryology. Gross Form, Correlation. Errors in development. Structural. Molecular. (Clinical aspects). Real life aspects . (“non medical”). Evolutionary mirror. 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 . General Biology II. BSC 2011. Insert photo here representing. chapter. (credit: . modification of work by Julie Rybarczyk). Types of Digestive Systems. Heterotrophs are divided into three groups based on their food sources. The digestive system is used for breaking down food into nutrients . which then pass into the circulatory system and are taken to where they are needed in the body.. Introduction. There . are four stages to food digestion:. 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. 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). 1. Gastrointestinal (GI) Tract. A) . Tubular . structure from mouth to anus. 2. Accessory Structures. A) . Teeth. , tongue, salivary glands, liver, gallbladder & pancreas. Digestive System. B. 6 basic processes. 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. Day 1. Digestive System:. Made up of the alimentary canal which extends from the mouth to anus. Includes:. Mouth, pharynx, esophagus, stomach, small intestine, large intestine, . recturm. , and anus. The worm you are most probably familiar with is…….. . THE EARTH WORM. Where can worms be found?. Most worms can be found at the bottom of the water column, near ocean sediment.. Some live closer to the surface.. 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. . To explain the functions of the digestive system. Key Words. Enzyme. Physical. Chemical. Alimentary canal. Amylase. Saliva. Oesophagus. Gastric juice. Chyme. Hydrochloric acid. Diaphragm. Abdomen. Pepsin.