"Digestive System" Essays and Research Papers

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Digestive System

 DIGESTIVE SYSTEM Digestion is a process of breaking down complex food molecules into simple ones, suitable for absorption and their subsequent utilization in our body PURPOSE to convert complex food molecules into simpler ones, suitable for absorption and utilization production of energy, necessary for survival & vital chemical activity growth & development of the body repairing function reproductive function lactation ...

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The Digestive System

Introduction The Digestive system breaks down the ingested food into absorbable forms of nutrients and absorbs nutrients, ions and water from the external environment of the body. It is designed to maximize digestion and absorption. The functional structures of the digestive system are the passage, the glands like salivary glands, gastric glands, pancreatic, intestinal glands and liver. Also, the four layers of the digestive system are mucosa, submucosa, muscularis and serosa. The digestive system is regulated...

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The Digestive System

UNIT ONE: the digestive system Digestion breaks down larger molecules into smaller ones. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Many...

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the digestive system

Digestive System: Shade the of the correct answer. 1. What is the digestive system?  The body's breathing system  The body's system of nerves  The body's food-processing system  The body's blood-transporting system 2. Digestion begins in the mouth. Which of the following statement is INCORRECT? The tongue aids in the digestion of the food. The saliva changes some of the starches in the food to sugar. The tongue keeps the food in place in the mouth while the food is being chewed...

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digestive system

 DIGESTIVE SYSTEM FUNCTION -The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. In addition to the alimentary canal, there are several important accessory organs that help...

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The Digestive System

The digestive system is a group of organs that perform the process by which food, containing nutrients, is eaten and broken down into different components. This breakdown makes it possible for the digested material to pass through the intestinal wall into the blood stream. The digestive process contains many different steps that take place in many different organs.<br><br>The first step of digestion begins at the mouth, where the food enters the mouth. Saliva is secreted from the salivary glands...

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Digestive System

Biology Summer Task Our digestive systems contain glands. These glands produce enzymes. Enzymes are catalysts. Catalysts make chemical reactions happen quicker and easier. Digestive enzymes help us to break down food easier. Our bodies make lots of different digestive enzymes. Each enzyme breaks down a particular food. When an enzyme has broken down one food molecule, it can then break down another molecule of the same kind. It can do this over and over again. It makes the reaction happen without...

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The Digestive System

The Digestive System Structure and Functions Jermaine Kendrick Vista College The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. In addition to the alimentary canal, there are...

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Digestive System

Digestive System * uniquely constructed to perform its specialized function of turning food into the energy you need to survive and packaging the residue for waste disposal. Parts of the digestive system: 1) MOUTH * is the beginning of the digestive tract; * digestion starts here when taking the first bite of food. * Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down 2) ESOPHAGUS ...

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Digestive System

Purpose The digestive system prepares food for use by hundreds of millions of body cells. Food when eaten cannot reach cells (because it cannot pass through the intestinal walls to the bloodstream and, if it could would not be in a useful chemical state. The gut modifies food physically and chemically and disposes of unusable waste. Physical and chemical modification (digestion) depends on exocrine and endocrine secretions and controlled movement of food through the digestive tract. Mouth Mouth...

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