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Questions and Answers
What is the main component of a balanced diet?
Which nutrient is not absorbed into the body but is necessary in a diet?
What happens if a person eats too much food in relation to their energy needs?
Why might eating too little food lead to feelings of tiredness?
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What do all types of food contain?
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Which of the following statements about carbohydrates is correct?
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Which of the following is NOT listed as a staple food that supplies carbohydrates in the form of starch?
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According to the passage, when might a woman need to increase her food intake?
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What does the passage suggest about nutrient requirements as people age?
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According to the passage, what is necessary for the body to function properly?
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Study Notes
Human Diet and Nutrition
- A person's diet consists of six types of nutrients: vitamins, carbohydrates, minerals, proteins, water, and fats.
- A diet should also contain fibre (roughage), which is not a nutrient but helps with digestion.
Balanced Diet
- A balanced diet contains all the required nutrients in suitable proportions and the right amount of energy.
- A diet that lacks essential nutrients can lead to health problems.
Energy Needs
- The energy a person uses daily depends on age, sex, and occupation.
- Energy comes from the food we eat, and excess energy is stored as fat.
- If we eat too little, we may not have enough energy, leading to fatigue.
Energy Content of Food
- One gram of protein or carbohydrate contains a certain amount of energy.
- One gram of fat contains about twice as much energy as one gram of protein or carbohydrate.
Dietary Changes at Different Life Stages
- Pregnant women need to eat more and ensure they have extra calcium and iron for their baby's development.
- Breastfeeding women need to eat more to support milk production.
- People need to eat less as they reach their 50s and 60s due to slower metabolism.
Importance of Nutrients
- Nutrients provide energy and support overall health.
- A diet lacking essential nutrients can lead to health problems.
- Carbohydrates, fat, and protein are essential for energy and overall health.
- Vitamins, minerals, fibre, and water are also essential for proper bodily functions.
Carbohydrates
- Carbohydrates provide energy and are found in starch and sugar.
- Staple foods like potatoes, wheat, rice, and maize provide most of the carbohydrate in people's diets.
- We also consume carbohydrates in sweet foods, which contain sugar.
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Description
Learn about the six types of nutrients humans need in their diet: vitamins, carbohydrates, minerals, proteins, water, and fats. Explore the concept of a balanced diet and the importance of including fiber. Test your knowledge on essential nutrients for a healthy lifestyle.
