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Basics of Nutrition
  
Free woman holding organic grape tomatoes healthy living stock photo Creative Commonsby Pink Sherbet Photography on Flickr

Nutrition:

Nutrition is necessary to support life and to keep our bodies healthy.
The six main parts of nutrition are:
  • Water
  • Vitamins
  • Minerals
  • Protein
  • Carbohydrates
  • Fats





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FREE Refreshing Orange Slice Creative Commonsby Pink Sherbet Photography on Flickr

Water:
  • It is said that we need up to eight glasses of water a day.
  • We cannot live very long without water.
  • Water is needed for our everyday habits and is critical for cell growth.
  • Water is also an antioxidant and helps clean out our body system.
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Orangesby geishaboy500 on Flickr

Vitamins:

Vitamins are necessary in the diet for good health. Vitamin deficiencies may result in:

  • Scurvy
  • Osteoporosis
  • Goitre

Low or high levels can also have serious health consequences.
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Spices on Pinkby geishaboy500 on Flickr

Minerals:

Dietary minerals are the chemicals required by living organisms.
Dietitians recommend foods that have naturally occurring minerals. Sometimes minerals are often artificially added as diet supplements.

Many minerals are needed in specific quantity. 
  • Calcium
  • Phosphorus
  • Potassium
  • Sulfur
  • Magnesium
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3 Brown Boiled Chicken Eggsby epSos.de on Flickr

Protein:

Proteins are the basis of many animal body structures. Proteins also form the enzymes that control chemical reactions in the body.

Sources of dietary protein:
  • Meat
  • Tofu
  • Soy-Products
  • Eggs
  • Legumes
  • Milk
  • Cheese
 
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Free Red Apple on Green Grass of Fertilityby epSos.de on Flickr

Carbohydrates:
  • Sugars
  • Starches
  • Fiber
They are a large part of foods such as rice, noodles, and bread.

Carbohydrates may be classified as:
  •  Monosaccharides
  •  Disaccharides
  •  Polysaccharides 
They contain one, two, and three or more sugar units.
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Booze, the ideal post workout drinkby SuperFantastic on Flickr

Fats:
  • Fats may be classified as saturated or unsaturated depending on the structure of the fatty acids involved. 
  • Saturated: all the carbon atoms in the fatty acid chains bonded to hydrogen atoms.
  • Unsaturated: classified as monounsaturated (one double-bond) or polyunsaturated (more than one double-bond). 
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