PPT-The Digestive System The alimentary tract provides the body with a

continual supply of water electrolytes and nutrientsTo 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. . 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.. http://www.docstoc.com/docs/79739092/Invertebrates-Section-1. Age of Inverts. Age of Fishes. Age of Reptiles. Age of Mammals. Age of Man. http://hotelcondesdeharo.com/contacto/time-periods-dinosaurs. Presented by—. Mirza. . Salman. . Baig. Faculty of Pharmacy . School of Pharmacy . AIKTC, New . Panvel. THE DIGESTIVE SYSTEM. The digestive system is the collective name used to describe the . alimentary canal. What is an animal?. Typical Characteristics: . 1) Eukaryotic –each cell has a nucleus . 2) Multicellular-Made up of many cells . Cells>Tissue>Organs>Organ Systems . 3) Heterotrophic- must eat food to get energy and nutrients- through ingestion and digestion . 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.. 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). 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. TEKS: 2ABC. http://kidshealth.org/kid/htbw/_bfs_DSmoviesource.html. Digestion. Before your body can use the nutrients in the food you eat, it must go through digestion.. Then nutrients must go through absorption.. . Qattan. 2. The GI tract. . (gastrointestinal tract). . Mouth. Pharynx. Esophagus. Stomach. Small intestine. Large intestine. Anus. The accessory digestive organs. Supply secretions contributing to the breakdown of food. Presented by. Dr . Sanjoy. Deka. Digestive system in . human. -Digestive Tract. - Alimentary canal. -. G. astrointestinal . tract . (. GI tract). Salivary Gland. Gastric Gland. Villi are small finger-like projections located in the walls of the small intestine. Their function is to increase the surface area in order to maximise the absorption of digested food.. Helminthes is derived from Greek word “. Helmins. ” meaning “worms”. The term is not correct because it is applied to all elongated invertebrates without appendages and with bilateral symmetry. . By Dr. Hussein . AlNaji. Constipation . is the . decreased frequency of defecation . accompanied by feces that. . contain a decreased concentration of water.. The feces vary in consistency from being hard to dry and of small bulk. . VISHAL KUMAR . ASSISTANT PROFESSOR. CSJMU. Respiratory System. Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood.. 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. .