what are three functions of human digestive system?
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There are three main functions of the gastrointestinal tract, including transportation, digestion, and absorption of food.
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['Ingestion of food.', 'Secretion of fluids and digestive enzymes.', 'Mixing and movement of food and wastes through the body.', 'Digestion of food into smaller pieces.', 'Absorption of nutrients.', 'Excretion of wastes.']
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Digestive Processes. The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
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The four most important parts of digestive system is the mouth, stomach, small intestine, and the large intestine. Mouth Food is taken into the body by the mouth. The teeth bite off little pieces of the food into the throat. The food goes down the throat, through the esophagus, and to the stomach.
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The four most important parts of digestive system is the mouth, stomach, small intestine, and the large intestine. Mouth Food is taken into the body by the mouth.
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The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus. Helping them along the way are the pancreas, gall bladder and liver. Here's how these organs work together in your digestive system.
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['Chemical digestion: breaks down starch by the function of “salivary amylase”', 'Helps chewing and swallowing.', 'Lubricating effect: moisturizes the inside of the mouth and creates smoother speech.', 'Solvent effect: dissolves food and allows the tongue to taste food.']
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The digestive system is the system of the body that allows us to digest our food and absorb its nutrients. It includes organs such as the stomach and intestines. The circulatory system includes the heart and blood vessels and allows blood to be pumped all throughout the body.
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The stomach has 3 main functions: temporary storage for food, which passes from the esophagus to the stomach where it is held for 2 hours or longer. mixing and breakdown of food by contraction and relaxation of the muscle layers in the stomach. digestion of food.
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It digest food in two ways, mechanically and chemically. Both help in the process of turning food into nutrients. The digestive system also eliminates solid food waste. The major organs of the digestive system include the mouth, esophagus, stomach, and small and large intestines.
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The digestive system has three main functions: digestion of food, absorption of nutrients, and elimination of solid food waste. Digestion is the process of breaking down food into components the body can absorb. It consists of two types of processes: mechanical digestion and chemical digestion.
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The salivary glands, liver and gall bladder, and the pancreas aid the processes of ingestion, digestion, and absorption. These accessory organs of digestion play key roles in the digestive process.
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['Ingestion.', 'Secretion.', 'Mixing and movement.', 'Digestion.', 'Absorption.', 'Excretion.']
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['temporary storage for food, which passes from the esophagus to the stomach where it is held for 2 hours or longer.', 'mixing and breakdown of food by contraction and relaxation of the muscle layers in the stomach.', 'digestion of food.']
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['The brain controls thoughts, memory and other organs.', 'The heart pumps blood around the body.', 'The lungs separate oxygen from the air and remove carbon dioxide from the blood.', 'The stomach helps to digest food.', 'The intestines absorb nutrients from food.']
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The digestive system ingests and digests food, absorbs released nutrients, and excretes food components that are indigestible. The six activities involved in this process are ingestion, motility, mechanical digestion, chemical digestion, absorption, and defecation.
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Chemical digestion in the small intestine relies on the activities of three accessory digestive organs: the liver, pancreas, and gallbladder (Figure 1).