न्यूट्रिशन इन हुमन long answer question
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Answer:
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. Poor nutrition is a chronic problem often linked to poverty, food security, or a poor understanding of nutritional requirements
Answer:
Nutrients are the substances in food that maintain the body and make it work. Most of what one eats is made up of carbohydrates, proteins, and fats. Our diet should comprise a mix of foods that supply all necessary nutrients in the right amounts. Such a diet is called a balanced diet. Let’s have a glimpse of nutrition in human beings.
Nutrition in Human Beings
Following are the major nutrients required by the human body:
Carbohydrates
Complex carbohydrates, particularly starch, are found in foods such as pasta, bread, rice, potatoes, and cereals. During digestion, starch is broken down to the simple sugar glucose, the body’s main source of energy.
Vitamins and Minerals :-
Vitamins and Minerals are required in minute amounts and are essential for maintaining a strong immune system, build strong bones and muscles and also promotes normal growth and development. Most vitamins come from fresh fruit and vegetables, with some also found in fish, meat, dairy, and eggs. Minerals, such as calcium and iron, also help the body perform optimally. The best sources are vegetables, dairy, meat, and some fish.
Fats
Dairy food, meat, seeds, and nuts all supply fats, as do vegetable oils. Fat is digested into fatty acids, which are used as an energy source and to make cell membranes. They may be rebuilt into fat, under the skin, which insulates the body and helps to keep us warm.
Proteins
Rich sources of proteins are fish, meat, poultry, and beans. Once digested, proteins supply the body with amino acids. These building blocks are reassembled by cells into different proteins used for construction such as enzymes, and a myriad of other roles.
Water
Around 50 – 70 per cent of our body is made of water. Therefore this amount should always be maintained in the body. Water is the only medium through which all essential nutrients, vitamins, minerals and other wastes in the body are transported. Water also plays a vital role in regulating the body’s temperature.