Energy needs 0.0 / 5 ? Design & Technology: Food TechnologyEnergy needsGCSENone Created by: ZR1Created on: 14-06-17 15:58 Functions of Energy Growth Movement Body warmth Production of sound Brain function Chemical reactions 1 of 7 Main sources of Energy Carbohydrate:50% Fat:35% or less Protein:15% 2 of 7 Deficiency of Energy Body loses weight as fat stores are used up. 3 of 7 Excess of Energy Energy stored as fat. Weight of body increases. 4 of 7 Basal Metabolic Rate Amount of energy needed to keep us alive and working. Varies according to age, gender, body size, Physical Activity Level. 5 of 7 Energy Balance Amount of energy consumed in food must be used up by BMR and PAL. Too much energy consumed leads to weight gain. Too little energy consumed leads to weight loss. 6 of 7 Physical Activity Level Physical activity reduces the risk of developing a range of diet-related diseases. Improves strength of skeleton and muscles. Keeps brain alert. 7 of 7
Section 1: Food, Nutrition and Health - Chapter 2: Nutritional needs and health - 2: Energy needs 0.0 / 5
Section 1: Food, Nutrition and Health - Chapter 2: Nutritional needs and health - 2: Energy Needs 0.0 / 5
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