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30 terms

Ch 7 Nutrition

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dietary fiber
complex carbohydrate that aids elimination and may help prevent heart disease and cancer
Minerals
nutrients that are chemical elements needed for enzyme processes and bone formation
nutrient density
a measure of the nutrients in a food compared with the energy a food provides
Recommended Dietary Allowance
recommendednutrient intake that meets the needs of most healthy people
Nutrition
the study of food and the ways in which the body uses food
Carbohydrates
a class of nutrients containing simple sugars, starches, glycogen, and dietary fiber
unsaturated fatty acids
fatty acids in which the carbon atoms do not hold the maximum number of hydrogen toms
Proteins
class of nutrients consisting of long chains of amino acids, which are needed to build and repair body structures and to regulate processes in the body.
Water
nutrient required for transport, elimination, and temperature regulation, as well as almost every other bodily function
Vegetarian
dietary pattern that includes few or no animal products
healthful meals and/or healthful snacks
nutrient-dense foods that help meet your needs and maintain a healthy weight
the six classes of nutrients
carbohydrates, fat, proteins, water, minerals and vitamins
nondairy sources of calcium
dark-green leafy vegetables; tofu; and bony fish
Food Guide Pyramid
a tool for choosing a healthful diet by selecting a recommended number of servings from each of six food groups
incomplete protein
plant proteins that lack or contain smaller amounts of some essential amino acids than are needed by the body
Calorie
a unit of food energy measurement
carbohydrates
class of energy-giving nutrients including sugars and starches
vitamin A
carbon-containing nutrient that keeps eyes and skin healthy
fats
class of energy-giving nutrients that are the main form of energy storage in the body
glycogen
a complex carbohydrate that is stored in liver and muscles and can be used as a quick source of energy
vitamin K
carbon-containing nutrient that aids in blood clotting
folate
a mineral that prevents birth defects
calcium
mineral needed for development and maintenance of bones and teeth
iron
mineral needed for production of hemoglobin
potassium
mineral needed for maintenance of fluid balance, transmission of nerve impulses, and muscle contraction
zinc
mineral needed for production of digestive enzymes and growth and healing
vitamin E
fat-soluble vitamin that protects cell membranes from damage
vitamin D
fat-soluble nutrient that enables the absorption of calcium and phosphorus in the intestine
vitamin C
promotes healing of wounds and healthy germs
sulfur
needed for protein metabolism