பக்கம்:Physical and Health Education-6 to 10.pdf/472

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ers; leads much unhappiness; induces to violence, affect the lives and spoil fife and sorrow iri life is the result. What are the bad effects in smoking? 1. Smoking increases the risk of cancer of the lungs and ips, 2. Smoking damages lungs, Stomach, heart and circulation. 3. Smoking costs money. 4. t affects the family food budget. Spoils the taste and to enjoy the food items while eating. 5 What is . Nutrition? Nutrition means the supply of all essential nutriants in adequate quantity in proportion to the need and requirement of the body. Macro and micro elements in nutrition are called the constituents of food. What are the constituents of food? How do they help tus? Proteins, Carbohydrates, Fats, Vitamins, Minerals and Water are the constituents of iodd. 1. Proteins are otherwise known as body building materials which help in the growth and development of the body and repair the wear and tear of the tissues of the body. The sources of proteins are miik, eggs, meat, cheese, pulses, fish, beans and nuts. 2. Carbohydrates are known as energy yielding food hich give energy for all activities of life. The sources of Carbohydrates are Wheat, Rice, Maize, Potatoes, Sugar and Bariey. 3. Fats produce warm and energy to the body and taste to the food. The sources of fats are vegetable oils, butter, cream, nuts, meat etc. 4. Vitamins – Vitamins are necessary for life. Vitamins act as builders who organise and regulate the use of building materials in the growth of the human body. They 58