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30 Cards in this Set
- Front
- Back
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substances the body needs
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nutrients
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chemical process by which food is broken down and converted into energy
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metabolism
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amount of energy released when nutrients are broken down are measured in what?
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calories
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nutrients made of carbon hydrogen and oxygen
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carbohydrates
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type of complex carbohydrate found in plants
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fiber
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made of carbon hydrogen and oxygen but in different proportions
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fats
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have at least one unsaturated bond in place where hydrogen can be added to the molecule
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unsaturated fats
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have all he hydrogen and carbon atoms can hold
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saturated fats
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waxy fat-like substance found only in animal products
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Cholesterol
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made when manufacturers add hydrogen to the fat molecule
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trans fats
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nutrients that contain nitrogen as well, as carbon hydrogen and oxygen
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proteins
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smaller links that are bound together chemically
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amino acids
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which three classes of nutrients supply the body with energy
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carbs fats and proteins
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how is metabolism related to the nutrients in food
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metabolism uses the energy for growth and repair of tissues
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what role does carbs play in the body
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supply energy for your body's functions
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what role do fats play in the body
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supply body with energy form cells maintain your body temperature and help protect your nerves
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what role do proteins have in the body
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growth and repair of bodily tissues
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nutrients that are made by living things, are required in small amounts, and assist many chemical reactions in the body
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vitamins
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help protect healthy cells from damage caused by the normal aging process
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antioxidants
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nutrients that occur naturally in rocks
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minerals
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when a person does not eat enough iron they may develop what?
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anemia
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process of maintaining a steady state inside your body
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homeostasis
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regulate many processes in the cells
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electrolytes
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a serious reduction in the body's water supply
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dehydration
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what are the two classes of vitamins
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fat-soluble vitamins, water-soluble vitamins
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what seven minerals are needed by the body in significant amounts
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calcium, sodium, potassium, magnesium, phosphorus, chlorine, sulfur
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what role does water play in the body
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nearly all of the chemical reactions in the body take place in water solution
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a document developed by nutrition experts to promote health and help people reduce the risks for diseases
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Dietary Guidelines for Americans
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contain lots of vitamins and minerals relative to the number of calories
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nutrient-dense foods
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groups foods according to types and indicates how much of each food type should be eaten daily for a healthy diet
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MyPyramid plan
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