| ISBN | 出版时间 | 包装 | 开本 | 页数 | 字数 |
|---|---|---|---|---|---|
| 未知 | 暂无 | 暂无 | 未知 | 0 | 暂无 |
12 A Healthy Body
12.1 How Do We Keep Our Bodies Healthy?
12.2 Food Substances
12.3 A Balanced Diet
12.4 Natural Food and Processed Food
12.5 Digestion and Absorption of Food
12.6 The Fate of the Digested Food
12.7 Our Circulatory System
12.8 Fatty Foods in Our Diet and Their Effects on Our Health
12.9 Exercise and Health
12.10 Need for Rest
Summary
Glossary
Key Points
Test yourself
Index