A balanced diet

• what do carbohydrates do and example?

  • provide energy
  • pasta, rice and sugar
• what do lipids do and example?

  • provide energy - act as energy store - provide insulation
  • butter, oily fish
• what do proteins do and example?

  • need for growth and repair of tissue
  • meat and fish
• what does vitamin A do and example?

  • helps improve vision - keep skin and hair healthy
  • liver
• what does vitamin C do and examples?

  • prevents scurvy
  • oranges
• what does vitamin D do and examples?

  • needed for calcium absorption
  • Eggs
• what does mineral ions (calcium) do and examples?

  • needed to make bones and teeth
  • milk and cheese
• what do mineral ions (iron) do and example?

  • needed to make haemoglobin for healthy blood
  • red meat
• what does water do and examples?

  • needed for every bodily function - replace water loss from urinating, breathing and sweating
  • food and drink
• what do dietary fibres do and examples?

  • helps movement of food through gut
  • wholemeal bread and fruit
• what are the energy requirements in different people

  • activity level - active people need more energy
  • age - children and teens - more energy than older people for growth and are more active
  • pregnancy - pregnant women - more energy - provide energy for their babies to develop