A Balanced Diet

• Why do you need to eat different foods?

  To get different nutrients
• What are the functions of carbohydrates?

  • Provide energy
• What are the functions of lipids (fats and oils)?

  • Provide energy
  • Act as an energy store
  • Provide insulation
• What is the function of protein in the diet?

  • Needed for growth and repair of tissue
  • Provides energy in emergencies
• What is the function of vitamin A?

  • Promotes vision
  • Keeps skin and hair healthy
• What is the function of vitamin C?

  • Needed to prevent scurvy
• What is the function of vitamin D?

  • Needed for calcium absorption
• What is the function of calcium in the diet?

  • Needed to make bones and teeth
• What is the function of iron in the diet?

  • Needed to make haemoglobin for healthy blood
• Why is water important for the body?

  It is needed for almost every body function
• What is the role of dietary fibre in the diet?

  • Aids the movement of food through the gut
• What does a balanced diet provide?

  • All essential nutrients in the right proportions
• What are the six essential nutrients?

  1. Carbohydrates
  2. Proteins
  3. Lipids
  4. Vitamins
  5. Minerals
  6. Water
• How do energy requirements vary among individuals?

  They depend on activity level, age, and pregnancy status
• Who needs more energy, active people or sedentary people?

  Active people
• Why do children and teenagers need more energy than older people?

  They need energy to grow and are generally more active
• Why do pregnant women need more energy than other women?

  To provide energy for their developing babies
• What is one source of vitamin A?

  Liver
• which foods are carbohydrates found in?


  Pasta, rice, sugar
• what foods are lipids found in?


  butter, oily fish
• what foods have high protein?


  meat, fish
• what is one source of vitamin C?


  fruit e.g. oranges
• what is one source of vitamin D?

  Eggs
• what is two sources of calcium?


  Milk and cheese
• what is one source of iron?

  red meat
• what are some foods that contain dietray fibre?

  wholemeal bread, fruit