Diet - GCSE PE

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Carbohydrates

Carbohydrates

These are separated into simple or complex carbohydrates.

Simple Carbohydrates (Sugars)

Include glucose and sugar

Complex Carbohydrates (Starches)

Include pasta, bread and rice.

Carbohydrates are one of the main sources of energy and are essential for active people.

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Fats

Fats

There are three types of fat and they are commonly found in:

  • cheese
  • cream
  • meat
  • cooking oils
  • margarine
  • butter

Fats are another major source of energy for the body.

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Proteins

Proteins

Commonly known as 'building blocks' because they are very important in the growth of new tissue.

The two main sources of protein are:

  • animal products
  • plant foods - i.e. beans, lentils, nuts and seeds
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Vitamins and Minerals

Vitamins

  • These are essential to enable you to maintain good health
  • Vitamins are only required in small quanitites.
  • They are normally contained in a normal diet

Minerals

  • Also only required in small amounts
  • Mainly found in vegetables and meats
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Water/Fluids

Water/Fluids

These are absolutely essentail because failure to replace lost water can result in dehydration.

More problems can be caused by lack of water than by lack of food.

Dehydration: the rapid loss of water from the body

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Fibre/Roughage

Fibre/Roughage

This is an important aid to the digestive system.

It is contained in things like:

  • cereals
  • wholegrain bread
  • oats
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