You are what you eat. What does this mean? If you eat only celery, will you become a vegetable? Sometimes there are so many words used to describe foods and nutrition, it is difficult to make sense of them. In fact, we do use the food we eat to provide energy and also the building blocks for growth and development. Even after you are fully-grown, your body, just like any other machine, needs to make constant repairs to injured areas and must replace cells that have died. To make sure that the structure of your body is correct and strong, you must provide it with a regular supply of the right building materials. Foods are the building materials for the body.
There are six large categories of nutrients in food. These are carbohydrates, protein, fats, vitamins, minerals, and water. Each food you eat not only contains more than one nutrient, but also a different number of calories (energy). Fat, protein, and carbohydrates provide calories, or energy as well as building blocks. Vitamins, minerals and water are chemicals that are essential to the body’s chemical machinery, but are not really sources of calories. Fiber is another important part of a balanced diet and a healthy digestive tract. It is not labeled a nutrient, however, since it is not digestible but remains in your digestive tract.
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