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Grade 8 Vocabulary

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Question
Answer
Substances in food that provides raw materials and energy your body needs   Nutients  
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Major source of energy for the body   Carbohydrates  
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A simple sugar that is the building block of carbs   Glucose  
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Roughage; A complex carbohydrate found in plant foods that cannot be digested   Fiber  
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High energy nutrients that are composed of 3 fatty acids and glycerol, broken down in small intestine   Fats  
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Composed of amino acids; broken down in the stomach; Needed for tissue growth and repair; Found in meats, nuts and eggs   Protein  
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Small units of proteins   Amino Acids  
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Molecules that act as helpers in a variety of chemical reactions   Vitamins  
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Nutrients not made of living things   Minerals  
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Process in which you stomach breaks down food into small molecules so they can be absorbed into the blood stream   Digestion  
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Process in which nutrients pass through the lining of the small intestine into the blood stream   Aborption  
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Occurs in the mouth (chewing) food is broken down into smaller pieces   Mechanical Digestion  
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nutrients are broken down into enzymes into smaller molecules   Chemical Digestion  
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Carbs are broken down by chemical digestion into ?   Glucose - simple sugar  
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Proteins are broken down by chemical digestion into ?   amino acids  
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Fats are broken down by chemical digestion into ?   Fatty acids and glycerol  
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Muscle contractions which push food through the digestive tract. Occurs in the esophagus, stomach...   Peristalsis  
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Tube between the mouth and the stomach   Esophagus  
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A pouch in the digestive systems where both mechanical and chemical digestion occurs, and also digestion of proteins occurs here   stomach  
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Place where most chemical digestion takes place. Also, nutrient molecules are absorbed into blood   Small intestine  
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Water is absorbed into the blood and feces are formed   Large intestine  
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Largest organ in the body. Produces bile for breakdown of fats, and cleans blood   Liver  
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Produces enzymes that flow into small intestine to aid digestion   Pancreas  
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