nutrition

• How many calories are in 100 grams of wholemeal bread?

  About 250 calories
• Why do we need carbohydrates?

  They provide us with most of the energy needed for chemical reactions and movement
• What are the main sources of carbohydrates?

  • Starchy foods: bread, pasta, potatoes
  • Fruits and vegetables
• What is the difference between fats and oils in terms of their state at room temperature?

  Fats are solid, while oils are liquid at room temperature
• Where can lipids be found in food?

  Oily fish, nuts, seeds, dairy products, and avocados
• What are the main roles of lipids in the body?

  Provide energy, store energy, insulate the body, and protect organs
• What foods are rich in proteins?

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

  They are building blocks needed for growth and repair of tissues
• What is the difference between vitamins and minerals?

  Vitamins are organic molecules made by living organisms, while minerals are inorganic and simpler molecules
• What is a source of vitamin A?

  Liver and leafy vegetables
• Why do we need vitamin C?

  To prevent scurvy and maintain healthy skin
• What is a source of vitamin D?

  Eggs and oily fish
• What is the role of calcium in the body?

  It is needed for strong bones
• What condition can result from a deficiency of calcium?

  Rickets, which leads to deformed bones
• What is iron important for?

  It is a component of hemoglobin, which transports oxygen
• What condition can arise from iron deficiency?

  Anemia, which reduces oxygen transport to tissues
• What is the role of fiber in the diet?

  • Helps food move through the intestines
  • Prevents diarrhea and constipation
  • Found in wholemeal foods, fruits, and vegetables
• What is the primary source of water for the body?

  Drinks and most foods
• Why is water essential for the body?

  It is needed for chemical reactions and makes up about 70% of the body
• How do we lose water from the body?

  By breathing, sweating, and urinating
• What resources does the learning platform offer?

  • Watch videos
  • Practice with questions
  • Track progress in sciences and maths
  • Completely free
• What is the main source of energy for most organisms?

  Molecules of glucose