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picture1_Balanced Diet Ppt 81267 | Y8 Food And Digestion


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File: Balanced Diet Ppt 81267 | Y8 Food And Digestion
contents 8a food and digestion a balanced diet the digestive system digestive enzymes summary activities 1 of 20 2 of 27 bbooaarrddwwoorrkkss llttdd 22000045 why do we need food humans ...

icon picture PPT Filetype Power Point PPT | Posted on 08 Sep 2022 | 3 years ago
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         Contents
               8A Food and Digestion
             A balanced diet
            The digestive system
            Digestive enzymes
            Summary activities
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       Why do we need food?
      Humans need to consume a balanced diet 
      which contains a variety of different types 
      of food.
      The main nutrients the body needs are:
       carbohydrates for energy;
       proteins for growth and repair;
       fats to store energy;
       vitamins and minerals to keep the body healthy.
      The amount of each food type needed is related to the
      proportions in the food pyramid.
      Which food type does the body need the most of?
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       Nutrients in food 
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        What is a balanced diet? 
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       What are carbohydrates?
      Starchy foods contain carbohydrates which are made of 
      long chains of identical small sugar molecules.
           carbohydrate                            one sugar 
             molecule                              molecule
      The long chains of carbohydrates are broken down into the 
      smaller sugar molecules by the body. 
      The small molecules from carbohydrates are used by the 
      body to release    energy   and make the body work.
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...Contents a food and digestion balanced diet the digestive system enzymes summary activities of bbooaarrddwwoorrkkss llttdd why do we need humans to consume which contains variety different types main nutrients body needs are carbohydrates for energy proteins growth repair fats store vitamins minerals keep healthy amount each type needed is related proportions in pyramid does most what starchy foods contain made long chains identical small sugar molecules carbohydrate one molecule broken down into smaller by from used release make work...

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