TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
Balanced diet. Test tubes containing the components of a healthy diet. In the rack are (from left to right): cereals, salad, milk and fruit. Lying on the table are test tubes containing meat and vegetables. Carbohydrates should make up the largest part of the diet, followed by fresh fruit and vegetables, and proteins. Fats and sugars should make up the smallest part of the diet.
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