2.24: Identify Sources and Describe Functions of Carbohydrate, Protein, Lipid (Fats and Oils), Vitamins A, C and D, and the Mineral Ions Calcium and Iron, Water and Dietary Fibre as Components of the Diet

DIET	FUNCTION
CARBOHYDRATE	Direct Energy SOURCE: Meat, Starch
PROTEIN	Growth and Repair DEFICIENCY: Marasmus - Poor Growth SOURCE: Meat
VITAMIN A	Healthy Eyesight DEFICIENCY: Night Blindness SOURCE: Carrots
VITAMIN C	Heal Wounds and Rebuild Tissue DEFICIENCY: Scurvy - Bleeding Gums SOURCE: Lemon
VITAMIN D	Strengthen Teeth and Bones DEFICIENCY: Rickets - Curvature of Bones SOURCE: Margarine
LIPID	Insulation and Energy Storage SOURCE: Meat
DIETARY FIBRE	Lower Cholesterol DEFICIENCY: Constipation SOURCE: Vegetables
CALCIUM	Strengthen Teeth and Bones DEFICIENCY: Rickets - Curvature of Bones SOURCE: Milk
IRON	Promote Haemoglobin DEFICIENCY: Anaemia - Poor Oxygen Transport SOURCE: Meat
WATER	Chemical Reactions to take place SOURCE: Water