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Aim: What nutrients does our body need?. Do Now: Write the Dietary Guidelines your group made on Monday on the board. USDA Dietary Guidelines. Balance calorie intake Maintain a healthy body weight Keep physically active Eat the right foods in the right amounts If in doubt, toss it out
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Aim: What nutrients does our body need? Do Now: Write the Dietary Guidelines your group made on Monday on the board.
USDA Dietary Guidelines • Balance calorie intake • Maintain a healthy body weight • Keep physically active • Eat the right foods in the right amounts • If in doubt, toss it out • Adults who use alcohol should use it only in moderation
Carbohydrates • The body’s first source of energy. • Two types of carbohydrates: • Complex • Simple • Fiber- an indigestible carb. necessary to regulate the body. • Found in stringy veggies, or food with edible skins.
Fats • The body’s second source for energy • The different fats (mono, poly) have to do with the amount of hydrogen • Fat is needed for protection. • Found in meat and diary products (sat. fat) • Found in fish, nuts, and vegetable oils (unsat. fat)
Protein • Body’s last source of energy • Made up of 20 amino acids, only 11 can be produced in the body. • The remaining 9 are known as essential amino acids. • Needed for cell growth • Especially pregnancy, infancy, and early childhood.
Vitamins • Compounds that help regulate body processes • Found in fruits and vegetables • Deficiencies can causes health problems • Scurvy, beriberi, and rickets • In US can cause poor regulation of internal process and lack of energy
Minerals • Needed for growth and maintenance of the body. • Iron deficiency- anemia • Calcium deficiency- brittle bones • Too much phosphate (carbonation) can weaken bones
Water • 50-75% of body weight • Assists in respiration and digestion • Too little can affect all of the body’s systems • 8 glasses a day is recomm. to replace the quart a day that is lost.