THE DIGESTIVE SYSTEM Functions of the Digestive System • Ingestion- where in food from outside of the body enters the alimentary tract through the mouth • Digestion- which could be mechanical (physical breakdown of food into smaller pieces or chemical (enzymatic action) • Absorption of digested materials into venous circulation as well as lymphatic capillaries • Provision of nutrients to the cells of the body • Elimination of undigested materials ANATOMY AND HISTOLOGY OF THE DIGESTIVE
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The principal structure of the digestive system is an irregular tube‚ open at both ends‚ called the alimentary (al-i-MEN-tar-ee) canal or the gastrointestinal (GI) tract. In the adult‚ this hollow tube is about 9 meters (29 feet) long Think of the tube as a passageway that extends through the body like a hallway through a building. Food must be broken down or digested and then absorbed through the walls of the digestive tube before it can actually enter the body and be used by cells The teeth
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Cardio Vascular System The Heart The heartis a muscular pumping organ located medial to the lungs along the body’s midline in the thoracic region. The bottom tip of the heart‚ known as its apex‚ is turned to the left‚ so that about 2/3 of the heart is located on the body’s left side with the other 1/3 on right. The top of the heart‚ known as the heart’s base‚ connects to the great blood vessels of the body: theaorta‚ vena cava‚ pulmonary trunk‚ and pulmonary veins. Circulatory Loops There are
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Name: __________________________ Date: _____________ |Link to: 23.1 The GI tract| 1.|Which of following processes is the function of the smooth muscle layer of the digestive system?| A)|Ingestion| B)|Secretion| C)|Mixing and propulsion| D)|Absorption| E)|None of the above| Ans:|C| |Link to: 23.1 The GI tract| 2.|Which of following processes is the primary function of the mouth?| A)|Ingestion| B)|Secretion| C)|Mixing and propulsion| D)|Absorption| E)|None of the above| Ans:|A|
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Importance of systems B. The major systems 1. List all the systems a. Circulatory System b. Integumentary System c. Skeletal System d. Muscular System e. Nervous System f. Endocrine System g. Lymphatic System (Immune system is a part of this) h. Respiratory System i. Digestive System j. Excretory System (Urinary system is a part of this) k. Reproductive System C. Systems to be discussed 1. Circulatory System (NCES) 2. Integumentary System 3. Skeletal System 4. Muscular System 5. Respiratory
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IV. The Classification of Party System Party System‚ unlike constitutional system‚ is not an institutional arrangement or rules of the political game‚ but is an imagined whole that is made up of all the relevant parties in a democratic regime. Party system is not just a collection of parties in a democratic country‚ but the matrix or the structure of interactive and competitive relationship between and among these political parties. This concept‚ party system‚ makes perfect semantic sense because
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Preparation Resources Module 9: Information systems and decision support systems Overview This module looks at information systems in the context of business management‚ and explores the key aspects of the various types of decision support systems. It begins with an introduction to the three types of management decision support systems — management information systems (MIS) (operational)‚ decision support systems (DSS) (tactical)‚ and executive support systems (ESS) (strategic). The functions of managers
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Toyota production system and Kanban system Materialization of just-in-time and respect-for-human system Y. SUGIMORI ‚ K. KUSUNOKI ‚ F. CHO & S. UCHIKAWA a a a a a Production Control Department‚ Toyota Motor Co.‚ Ltd‚ 1 Toyota-cho‚ Toyota-shi‚ 471‚ Japan. Version of record first published: 28 Mar 2007 To cite this article: Y. SUGIMORI‚ K. KUSUNOKI‚ F. CHO & S. UCHIKAWA (1977): Toyota production system and Kanban system Materialization of just-in-time and respect-for-human system‚ International
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The Musculoskeletal System The Musculoskeletal System combines the skeletal system and the muscular system. All of the bones‚ cartilage‚ muscles‚ joints‚ tendons and ligaments in a person’s body compose what is known as the musculoskeletal system. The bones provide the body with a framework‚ giving it shape and support; they also serve as protection for internal organs such as the lungs and liver. Muscles are fibres that help to make deliberate movement of a body part or involuntary movement within
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An Open Mind to an Open System AN OPEN MIND TO AN OPEN SYSTEM The Open System Theory was initially developed by Ludwig von Bertanlanffy (1956)‚ a biologist‚ but it was immediately applicable across all disciplines. It defines the concept of a system‚ where "all systems are characterized by an assemblage or combination of parts whose relations make them interdependent". As one moves from mechanical to organic and social systems‚ the interactions between parts in the system become more complex and
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