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Carbohydrates, fats and energy - Coggle Diagram
Carbohydrates, fats and energy
Sugars
Sugars such as glucose are small, soluble carbohydrate molecules. They are often sweet.
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Sugars move quickly by diffusion from your digestive system into your blood, giving you an energy boost.
Starches
Starch must be broken down by your body, so the energy from starchy foods is released slowly.
Plant roots and fruits, which often contain lots of starch, are eaten by many animals.
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Foods such as bread, rice and pasta contain lots of starch.
Fats and oils
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People and other animals are attracted to fat and oil- rich foods, because they are good sources of energy for the cells.
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People like to combine fats and sugars to make foods which are very high in energy and very good to eat, such as cakes, pastries and ice cream.
When we eat, we may take in more energy than we need. We can store energy for a time when we need energy but don not have food available.
Glycogen
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Like starch, it is made up of many sugar molecules joined together.
Fat
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If we eat more than we need, some of the excess food molecules are converted into fat and stored in special fat cells under the skin and around the organs of the body. If we do not get enough food, our body breaks down our fat stores to give the cells the energy they need.