2 MAJOR CLASSIFICATIONS OF THE DIGESTIVE SYSTEM A. FOOD TUBE/ALIMENTARY CANAL/DIGESTIVE TRACT -Mouth Cavity -Pharynx -Esophagus -Stomach -Small intestines -Large Intestines -Rectum -Anus B. ACCESSORY ORGANS/GLANDS -Salivary glands -Liver -Pancreas -Gall bladder -Appendix DIGESTIVE SYSTEM- responsible for the breaking down of food into simpler molecules. ABSORPTION- bringing food to the body cells DIGESTION-) the process of breaking down complicated chemicals in nutrients into forms
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the upper half of the large intestine‚ enzymes from the small intestine complete the digestive process and bacteria produces the B vitamins (B12‚ thiamin‚ and riboflavin) as well as vitamin K. (Martini‚ PhD) The large intestine’s primary function is to absorb water and electrolytes from digestive residues and storage of fecal matter until it can be expelled. The large intestine is the last attraction in digestive tube and the location of the terminal phases of digestion. In comparison to other regions
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References: • Digestive System‚ Retrieved on;12/04/2011‚http//www.scienceaid.co • How Fats are Digested‚ Retrieved on;12/04/2011‚ http//www. .bio.davidson.edu • Digestion‚ Retrieved on;12/04/2011‚ http//www.wikipedia.com • How Small Intenstine Work in Digestion‚ Retrieved
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Principles of Human Physiology‚ 4e (Stanfield) Chapter 20 The Gastrointestinal System 20.1 Multiple Choice Questions 1) Which of the following is NOT a basic process of the gastrointestinal system? A) digestion B) filtration C) absorption D) secretion E) motility Answer: B Diff: 4 Page Ref: 568 2) Which of the following is the correct order of the layers of the gastrointestinal tract wall‚ from lumen to external surface? A) mucosa submucosa muscularis externa serosa
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Colon Cancer What is the disease? Colon and rectal cancer develop in the digestive tract‚ which is also called the gastrointestinal‚ or GI‚ tract. The digestive system processes food for energy and rids the body of solid waste matter (fecal matter or stool). Colon cancer and rectal cancer have many features in common. Sometimes they are referred to together as colorectal cancer. Over 95% of colorectal cancers are ad enocarcinomas. These are cancers of the glandular cells that line the inside
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is greatly coiled and twisted. - The small intestine is lined with muscles that move the chyme toward the large intestine. - The mucosa‚ which lines the entire small intestine‚ contains millions of glands that aid in the digestive and absorptive processes of the digestive system. The small intestine‚ or small bowel‚ is sub-divided by anatomists into three sections‚ the duodenum‚ the jejunum‚ and the ileum. The duodenum is about 1 ft (0.3 m) long and connects with the lower portion of the stomach
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DIGESTION Cooking vs. Digestive Processes Cooking Processes: Grilling Microwaving Frying Roasting Barbeque Boiling Steaming Poaching Digestive Processes: Ingestion Propulsion Mechanical digestion Chemical digestion Absorption Defecation Salivary Digestion SALIVARY DIGESTION Salivary Glands the salivary glands are a collection of accessory organs surrounding the mouth that secrete a fluid called saliva. Saliva consists of 99.5 % water and 0.5 % solutes. medium for dissolving
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Patrick Farese LAB- Earthworm Adaptations Follow the procedures in this lab and answer the questions as you go. Answer these on a separate sheet. You can use your textbook‚ classroom charts‚ the worm itself or the internet to find the answers to the questions. EXTERNAL STRUCTURE Place a live earthworm on a damp paper towel in a dissecting tray. Observe its movements for a few minutes. 1. How can you tell the anterior end from the posterior end? The anterior end has a prostomium‚ an over hanging
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The Digestion process The digestive process is important in maintaining the lives of living organisms and in providing them with needed energy and nutrition. Groups of organs‚ such as the mouth‚ esophagus‚ stomach‚ intestines‚ pancreas‚ and gal bladder work together to perform this complex task. Digestion is the process of breaking down food from large molecules into small ones to make it easier for absorption. The three major steps involved in the digestive process are ingestion‚ digestion‚ and
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Zhane’ Jackson April 16‚ 2013 Bio 112L Lab Report Bones and the Digestive‚ Respiratory‚ Circulatory‚ and Nervous Systems Introduction: Bones are what our skeletal systems are made up of. There are 206 bones in the human body of the adult skeleton. The adult skeleton is broken up in two divisions: the axial skeleton‚ and the appendicular skeleton. The axil skeleton is made up of 80 bones‚ and the appendicular skeleton is made up of 126 bones. As for the different systems of the body‚ we
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