{"id":36348,"date":"2022-05-09T21:00:44","date_gmt":"2022-05-09T15:30:44","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=36348"},"modified":"2022-05-07T15:21:18","modified_gmt":"2022-05-07T09:51:18","slug":"class-12-physical-education-notes-unit-2","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/class-12-physical-education-notes-unit-2\/","title":{"rendered":"Class 12 Physical Education Notes Unit 2 Sports and Nutrition"},"content":{"rendered":"

Physical Education Class 12 Notes Unit 2 Sports and Nutrition<\/h2>\n

\u2192 Balanced Diet: A diet which consists oF all the essential Food ingredients viz., protein, carbohydrates, fats, vitamins, minerals, and water in correct proportion is called a balanced diet. It refers to the intake of edibles which can provide all the essential nutrients necessary For the growth and maintenance oF the body in a deFinite amount.<\/p>\n

\u2192 Nutrition: ‘Nutrition’ is the science oF Food that deals with the dynamic process in which the Food consumed is digested, nutrients are absorbed and distributed to the tissues For utilization and wastes are disposed-oFF by the body. Nutrients are the basic components oF Food that are essential For human beings to stay away From diseases and live a healthy and energetic liFe. There are basically two types oF nutrients: Macronutrients and Micronutrients.<\/p>\n

\u2192 Macronutrients: Macronutrients are the structural and energy-giving caloric components oF our Food that include carbohydrates, Fats, proteins and water. They constitute majority oF an individual’s diet and need to be taken in surplus amount.<\/p>\n

\u2192 Micronutrients: Micronutrients are the vitamins and minerals. They are required in small quantities, but possess great signiFicance For proper Functioning oF our body.<\/p>\n

\u2192 Nutritive Components of Diet: Nutritive components oF diet are those components which contribute or provide energy or calories. There are various nutritive components oF diet which are described below:<\/p>\n

\u2192 Proteins: Proteins provides the body with amino acids, which are the building blocks For muscle and other important structures such as the brain, blood, skin and hair. Proteins Form new tissues and repair the broken tissues.<\/p>\n

\u2192 Carbohydrates: Carbohydrate is also a compound which is formed by the chemical composition of carbon, hydrogen and oxygen. Carbohydrates act like a fuel in our body. They provide energy and are responsible for various digestive operations in our body.<\/p>\n

\u2192 Fats: Fats are stored in body and used as emergency sources of energy. They also helps in regulation of body temperature and play a vital role in protecting our vital internal organs.<\/p>\n

\u2192 Vitamins: Vitamin is also an important nutritive component of food just like proteins, carbohydrates and fats. Vitamins are very vital for healthy life. Vitamins protect us from various types of diseases. In fact, vitamins increase immunity power of our body ^ against diseases. They also give their important contribution for the general development of body. Vitamins are of two types\u2014 fat-soluble vitamins (A, D, E and K) and water-soluble vitamins (B and C).<\/p>\n

\u2192 Minerals: Our body contains more than 19 minerals which must be derived from food. However, they are required in small quantities. Main mineral salts found in the body are calcium, phosphorus, iron, magnesium, potassium and iodine. Calcium ^ and phosphorus help in the proper development of teeth and bones. Iron contributes to the formation of haemoglobin content of red blood corpuscles. Iodine helps in the prevention of certain diseases caused by Thyroid action deficiency.<\/p>\n

\u2192 Non-nutritive Components of Diet: Non-nutritive components are those components oF Food, which don’t give energy or calories. They do not have nutritional value and are added to Food and beverage products. They are designed to make the Food smell better, taste better, last longer and look better. Following are the non-nutritive components oF diet:<\/p>\n