A BALANCED DIET. LESSON OBJECTIVES 1.To describe the food groups required in a balanced diet. 2.To give examples of foods containing each nutrient. 3.To.

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Presentation transcript:

A BALANCED DIET

LESSON OBJECTIVES 1.To describe the food groups required in a balanced diet. 2.To give examples of foods containing each nutrient. 3.To understand how an unbalanced diet can lead to disease.

The 7 Food Groups? 1.Carbohydrates 2.Proteins 3.Fats 4.Vitamins 5.Minerals 6.Fibre 7.Water

MACRONUTRIENTS 1.Carbohydrates 2.Proteins 3.Fats You eat the MOST of these three groups

CARBOHYDRATES Starches and sugars Release energy through respiration. ENERGY

PROTEINS Growth Maintenance and repair of body tissues. Enzymes Hormones

FATS Store of energy Heat insulation Protection of body organs

MICRONUTRIENTS Vitamins: Vitamin C, Vitamin A Minerals: Calcium and Iron

MINERALS 1.Iron: Red meat Making red blood cells 2.Calcium: Milk and dairy Strong bones and teeth, nerve function.

VITAMINS 1.Vitamin A: Carrots, fruit Skin, vision at night. 2.Vitamin C: Citrus fruits maintaining gums and soft tissues, immunity and wound healing. 3.Folic acid: Green leafy veg Help developing foetuses Prevents Spina Bifida

Deficiency Diseases Lack of Vitamin C = SCURVY

Other Food Groups Fibre: regular bowel movement, prevent constipation. Water: Urine formation, sweat and temp control, blood.