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Power Eating nutrient • chemical substance in foods that: builds, repairs, and maintains body tissues; regulates body processes, and, provides energy (measured in calories) calorie • unit of measure for both the energy supplied by food and the energy used by the body Proteins build tissues repair tissues maintain tissues amino acids •building blocks that make up proteins Proteins from animal sources contain all the essential amino acids carbohydrates • nutrients that provide energy to the body complex carbohydrates provide Longlasting energy Cereals, fruits, vegetables • are examples of fiber fats • nutrients that are a source of energy and make certain vitamins available for use in the body two types of fat are • saturated fats and unsaturated fats cholesterol • fat-like substance made by the body and found in many foods Foods that are high in cholesterol are egg yolks dairy products water • nutrient that makes up a part of blood, helps the process of digestion, helps remove body wastes, regulates body temperature, and cushions the spinal cord and joints Go over handout on Vitamins help release energy from fats and carbohydrates, help chemical reactions in the body take place, do not supply energy, water-soluble vitamins • vitamins that cannot be stored by the body in significant amounts minerals • nutrients that regulate many chemical reactions in the body the following are examples of minerals sodium iron magnesium The Food Guide Pyramid • daily guidelines for the number of servings of each major food group A balanced diet includes foods from the five basic food groups that contain the six classes of nutrients that are needed for optimal health