Food perform various functions. Explain
Answers
Answer:
Explanation:
Food supplies the fuel or energy needed to perform the many tasks of everyday living. We need energy to think, breathe, walk, sit, speak and even sleep. We get energy from carbohydrates, proteins and fats. It is important that we eat enough food to supply all our needs. All foods contain one or a combination of the 6 nutrients. If you eat a balanced diet consisting of a variety of healthy foods, you are certain to receive these nutrients every day. Food has 3 main functions in the body: Growth and Development. Provision of Energy. Repair and maintenance of the body's cells.
Answer:
Food has 3 main functions in the body:
- Growth and Development
- Provision of Energy
- Repair and maintenance of the body's cells
Growth and Development
Babies , young children and adolescents grow at a rapid rate, while in adults and the elderly most growth has stopped and nutrients are mostly used for maintaining their bodies.
Your body cells must be able to grow and develop as you do, and food plays a major part in this. Protein, for example, is the building block for every body tissue cell such as bone, teeth, skin, and muscle. If a person is lacking protein in the diet, problems may occur such as stunted growth.
Food provides the materials needed to build, repair and maintain body tissues. Proteins, fats and minerals are the best nutrients for growth. Growing bodies need extra amounts of these nutrients. Every person, whether growing or not, is going through a continual repair process of replacing injured or dead cells. It is food that supplies the nutrients necessary for this process.
Energy
Food supplies the fuel or energy needed to perform the many tasks of everyday living. We need energy to think, breathe, walk, sit, speak and even sleep. We get energy from carbohydrates, proteins and fats. It is important that we eat enough food to supply all our needs. If we don't, we will feel tired and listless. Having no energy can be compared to a car that has run out of petrol. On the other hand, if we eat more energy food than our body needs, this energy will be stored in the body as fat. Too much stored energy will result in the body becoming overweight or obese.
Repair and Maintain Cells
Achieving good health is one thing, but keeping it is another. You need to maintain your health, and you need good food in order to do this. For example, your skin is often cut or grazed, your hair falls out constantly and your red and white blood cells die on a regular basis. By consuming the right nutrients, your body will repair itself and stay healthy.
Similarly, you must be well enough to fight infection and disease. A healthy individual who eats well and exercises regularly is less likely to suffer from a cold or flu than a person who eats poorly and does not exercise.Vitamins, minerals and protein keep the body's tissues and organs healthy. Healthy organs are less likely to be attacked by disease.
Explanation:
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