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PN 110 nutrition

nutrients and metabolism

unit of heat energy calorie
rate of metabolism when the body is at rest basal metabolic rate
foods that give us large number of calories with little nutrition "empty calories"
body's primary energy source carbohydrates
when in their simplest form, carbohydrates are sugars
glucose, fructose, galactose monosaccharides (simple sugars)
sucrose, lactose, maltose disaccharides
another name for fat lipid
vitamins requiring fat for absorption (fat soluble vitamins) Vitamins A, D, E, K
this type of fat is found mainly in animals, and tends to be solid at room temperature saturated fat
this type of fatty acid must be obtained through the diet essential fatty acid
functions of fat in the body absorption of vitamins cellular structure insulation/protection
proteins are broken down into _____________ acids amino
vitamins that are dissolved in water water soluble vitamins (B, C)
mineral needed for bones, muscle contraction, nerve function calcium
mineral used to produce hemoglobin (and carry oxygen) iron
breaking down a complex substance to produce energy catabolism
building more complex substances out of simpler ones anabolism
transfer of heat through the air by electromagnetic heat waves (such as sunlight) radiation
transfer of heat between two materials that touch conduction
this requires heat to change water into a gas evaporation
part of the brain that is the body's thermostat (regulates temperature) hypothalamus
fat-soluble vitamin which helps with blood clotting vitamin K
fat-soluble vitamin which helps with absorption of calcium vitamin D
mineral important for production of thyroid hormones iodine
amount of energy used by the body including daily activities total metabolic rate
fats are broken down into ______________ acids and glycerol fatty
nutrient used to build and repair tissue protein
3 main nutrients carbohydrates fats (lipids) protein
Created by: ballantynec



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