1. Human Nutrition Session 3 Dr Mervat Salah

2. Dietetics Is the practical application of the principles of nutrition; it includes the planning of meals for the well and the sick. Good nutrition means “maintaining a nutritional status that enables us to grow well and enjoy good health.”

3. CLASSIFICATION OF FOODS Classification by origin: - Foods of animal origin - Foods of vegetable origin Classification by chemical composition: - Proteins - Fats -Carbohydrates -Vitamins -Minerals

4. CLASSIFICATION BY PREDOMINANT FUNCTION Body building foods: -meat, milk, poultry, fish, eggs, pulses etc Energy giving foods: -cereals, sugars, fats, oils etc. Protective foods: -vegetables, fruits, milk, etc

5. Basics For every physical activity, the body requires energy and the amount depends on the duration and type of activity Energy demand exercise. Metabolic systems supply energy Aerobic & Anaerobic. Energy is obtained ---- body stores or the food Glycogen -- main source of fuel used by the muscles -- aerobic and anaerobic exercise. Nutrition & wellness - Nutritional perspective D mervat salah