All the following are trace elements required by body except
Major elements. Trace elements 1. Calcium. 1. Iron 2. Magnesium. 2. Iodine 3. Phosphorus. 3. Copper 4. Sodium. 4. Manganese 5. Potassium. 5. Zinc 6. Chloride. 6. Molybdenum 7. Sulfur. 7. Selenium 8. Fluoride.Ref: DM Vasudevan, page no: 411
nutrition and digestion
Zinc
Copper
Selenium
Boron
Boron