Minerals

• Source of Calcium

  Milk, anchovies, prawns, green vegetables
• Importance of Calcium

  Helps with blood-clotting and strengthens bones and teeth
• Effects of Calcium deficiency

  Rickets and Osteoporosis
• Sources of Sodium

  salt, meat, eggs
• Importance of Sodium

  Maintains the functions of the nervous system
• Effects of Sodium deficiency

  Muscle cramps
• Sources of Iodine

  seafood, fruits
• Importance of Iodine

  Helps with the functions of thyroid gland
• Effects of Iodine deficiency

  Goiter
• Sources of Iron

  Liver, meat
• Importance of Iron

  Builds haemoglobin in the blood
• Effects of Iron deficiency

  Anaemia
• Sources of Phosphorus

  Cheese, meat, eggs, vegetables
• Importance of Phosphorus

  Strengthens bones and teeth, forms nucleic acid in DNA and RNA
• Effects of Phosphorus deficiency

  Rickets, brittle teeth, cannot build DNA and RNA
• Sources of Potassium

  Plants and animals
• Importance of Potassium

  Helps with muscle contraction, maintains function of the nervous system
• Effects of Potassium deficiency

  Paralysis, muscle cramps