Food groups and types of nutrients

• What are the main biological molecules needed for a healthy diet?

  Carbohydrates, lipids, proteins, vitamins, minerals, fiber, water
• Why is it important to have a mix of nutrients in foods?

  Foods contain various nutrients, not just one
• How many calories are in 100 grams of wholemeal bread?

  About 250 calories
• What are the main roles of carbohydrates in our diet?

  • Primary energy source
  • Fuel for chemical reactions
  • Support movement
• What are lipids commonly referred to as in everyday life?

  Fats
• What is the difference between fats and oils?

  Fats are solid; oils are liquid at room temperature
• Where can lipids be found in foods?

  Oily fish, nuts, seeds, dairy, avocados
• What are the main roles of lipids in our diet?

  • Provide energy
  • Long-term energy storage
  • Insulation
  • Organ protection
• What foods are rich in proteins?

  Nuts, seeds, meat, fish, legumes
• What is the primary function of proteins in the body?

  Growth and repair of tissues
• What happens to proteins when carbohydrates or lipids are insufficient?

  Proteins can be used for energy
• What are the differences between vitamins and minerals?

  • Vitamins: Organic molecules from living organisms
  • Minerals: Inorganic, simpler molecules
• What is vitamin A important for?

  Good vision and healthy skin/hair
• Which foods are sources of vitamin C?

  Fruits and vegetables, especially citrus
• What disease does a lack of vitamin C cause?

  Scurvy
• How can the body obtain vitamin D?

  Through sunlight and certain foods
• What is the main purpose of vitamin D?

  Helps absorb calcium
• What is calcium important for?

  Strong bones
• What condition can result from insufficient calcium?

  Rickets
• What is iron essential for?

  Component of hemoglobin
• What condition can arise from iron deficiency?

  Anemia
• What is the role of fiber in the diet?

  • Helps food move through intestines
  • Prevents diarrhea and constipation
• What type of carbohydrate is fiber?

  A type of carbohydrate
• Where can fiber be found?

  Wholemeal foods, fruits, vegetables
• Why do we need water in our bodies?

  For chemical reactions and hydration
• What percentage of our body is made of water?

  About 70%
• How do we lose water from our bodies?

  Breathing, sweating, urinating
• How can you access the lesson for this video?

  • Click the link in the description