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भिडियो हेर्न तल को बक्समा क्लिक गर्नुहोस
Importance of food and its main source We need food for growth and energy. When we hungry we feel weak and we cannot have the energy to work and play. After taking proper food in adequate amount we feel freshened. Then only we are capable of doing work with a greater zeal. Food is necessary for our growth. It replaces the worm out tissues of our body. It also provides us with energy. We need energy to work or play.
If we do not eat adequate amount of food for a long time, it will
– slow our growth,
– make us lazy, sleepy and unhealthy,
– make our skin loose,
– stop the proper growth of bones, and
– make our muscles weak.
As a result, it will make a person look old and produce an irritable nature.
Most of our food comes from plants and animals. Animals, however, feed on plants. So indirectly we depend on plants for food. Bread is made from flour which comes from plants. Meat comes from animals that feed on grass. Eggs are laid by the hen but the hen feeds on paddy or rice which comes from plants too. Plants thus form the main source of food.
All animals need food. Plants also need food. We provide them food in the form of water and fertilizers. Green plants make food from air and water in the presence of sunlight. Plants procure their food from the soil and air without our help. In case a plant is not supplied water, it becomes dry. In order to get high yields from the crops, farmers use fertilizers and irrigate their fields a number of times.
Nutrition and constituents of food
Food is basic to nutrition. Nutrition means the supply of all essential nutrients in adequate quantity in proportion to the need and requirement of the body. Diet is a combination of different kinds of food. There is no single food that can give all the nutrients required for the growth and the preservation of health.
We must have a balanced diet, which contains the right amount of nutrients. Then we must have good food regularly at fixed times. Too much or too little of food is not good for our health. The amount of food one needs depends on the nature of the work and the size of the body. It may vary from person to person. So we must find out how much nutrient food is desirable for our body to be healthy.
We take our food in different forms. Some of the foods are cooked before eating. Foods like fruit, nuts and some green vegetable are eaten raw.
All food stuffs contain substances. It is very important for our body. The materials present in the food can be classified into six groups of compounds. These groups are known as constituents of food. They are the nutrients for the body. The following six components are the constituents of food: 1. Protein – Body-building food
2. Carbohydrates – Energy-yielding food
3. Fat – Protective and energy-giving food
4. Vitamins – Protective food
5. Minerals – Growth and body development food
6. Water – Carrier of food materials
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Possibly you've completed your existence assurance application recently? There's somewhat box that strikes fear for the heart inside the “slightly overweight”. It truly demands upon condition undesirable weight. Can help with the scales, undress towards the fitness of nudity and jiggle about over the stated scales, attempting to give consideration to minimal pricey mark over the gauge? No, I figured not, you most likely possess a vague additionally to in excess of positive guess, write it in and rapidly start needed. Most of us make a move. It isn't really cheating. You understand you’re susceptible to lose it soon, before Christmas/holidays/the wedding. If possibly!
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The word obesity draws around the British Medical Association’s Body mass index (Bmi). To do this, you need to know your height in meters then multiply deploying it. Figure. Take triggered using this and divide out of your weight, using kilos. This gives you your Bmi, you can use to indicate if you are underweight, normal, overweight or obese. It'll, however, overestimate fatness in people who are muscular or sports. These figures work with grownups.
तल को बक्समा क्लिक गर्नुहोस
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