Minerals

Question 1

Zinc

Answer 1

Function
- metabolises proteins and carbohydrates

Food Source

• beef & poultry
• legumes

Deficiency
- hinders digestion and absorption

Question 2

Sodium

Answer 2

Function
- helps control muscle contraction and relaxation

Food Source

• processed foods
• snack foods

Deficiency
- high levels of activity in intense heat

Question 3

Potassium

Answer 3

Function
- assists in achieving steady heart beat

Food Source

• bananas
• meats and fish

Deficiency
- increased blood pressure

Question 4

Calcium

Answer 4

Function
- formation of strong bones and teeth

Food Source

• milk and milk products
• dark green vegetables

Deficiency
- osteoporosis

Question 5

Iron

Answer 5

Function
- forms part of protein haemoglobin

Food Source

• haem iron - meat and fish
• non - haem iron - plant sources

Deficiency
- decreased production of red blood cells

Question 6

Iodine

Answer 6

Function
- help regulate growth & development

Food Source
- iodised salt

Deficiency
- enlargement of the thyroid gland