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Aim What nutrients does our body need

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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.

				
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posted:3/14/2013
language:English
pages:8