Page 287 - New Medley 5 Semester 1
P. 287

Competencies
                                                                                                      C-3.1, C-6.1


                                                                                           • Analysing
                                                                                           • Understanding
                                                                                21st CENTURY SKILLS  • Health and Well-being
                                                                                           • Critical Thinking
            5         Food and Health





             Warm Up                                                                               • Analysing




                A nutritious food gives us energy to work and stay fit. Is the
                food shown in the picture nutritious? Why?





















                       FOOD – THE NEED OF LIVING ORGANISMS

        All living things need energy to perform various life activities. This energy comes
        from the food we eat. Humans are the only organisms who eat a large variety of

        food. To be able to perform our life activities properly and to maintain a good
        health, it is important to understand our food.


                                          NUTRIENTS OF FOOD

        Our food consists of different components called  nutrients. Nutrients help us

        to grow, stay fit and remain healthy. There are five main nutrients in our food.
        These are carbohydrates, proteins, fats, vitamins and minerals.


        Carbohydrates

        Carbohydrates are called energy-giving foods because they provide instant energy

        to the body. When we read a book, run or play games, the body uses a large


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