A balanced diet
| English | Chinese | Pinyin |
|---|---|---|
| balanced diet | 均衡饮食 | jūn héng yǐn shí |
| vitamins | 维生素 | wéi shēng sù |
| minerals | 矿物质 | kuàng wù zhì |
| fibre | 膳食纤维 | shàn shí xiān wéi |
| deficiency disease | 缺乏症 | quē fá zhèng |
| anaemia | 贫血 | pín xuè |
You are what you eat
- To stay healthy, your body needs the right range of nutrients, in the right amounts.
- A balanced diet 均衡饮食 provides them all.
Balanced diet lab
Match dietary needs to the nutrient that solves the problem.
Which nutrient is mainly needed for growth and repair?
Protein builds and repairs tissues.
Which nutrients are major energy sources? (Select all that apply.)
Carbohydrates and fats provide energy; vitamins and minerals do not.
The nutrients you need
- Carbohydrates and fats: energy.
- Proteins: growth and repair.
- Vitamins 维生素, minerals 矿物质, fibre 膳食纤维 and water: health and digestion.

A balanced diet includes plenty of fruit and vegetables
A diet with the right proportions of all nutrients is a ______ diet.
Balance means the right amount of each nutrient.
Balance and needs
- A balanced diet has the right proportions of each nutrient.
- Needs vary with age, sex and activity — an active teenager needs more energy than an office worker.

The four kinds of teeth in the human mouth
A lack of vitamin C causes:
Vitamin C deficiency causes scurvy.
A deficiency of iron leads to:
Iron is needed to make haemoglobin; a lack causes anaemia.
Deficiency diseases 缺乏症
- Too little of a nutrient causes a deficiency disease.
- Vitamin C deficiency → scurvy; vitamin D / calcium → rickets; iron → anaemia 贫血.
More is not always better. Too much energy-rich food (fat and sugar) leads to obesity and related illness. A balanced diet is about the right amount, not the most.
You've got it
- a balanced diet supplies carbohydrates, fats, proteins, vitamins, minerals, fibre and water
- carbs/fats = energy; protein = growth & repair
- nutrient needs vary with age, sex, activity; shortages cause deficiency diseases