| S.3 |
| - Cells and molecules of life |
| - The cell as the basic unit of life |
| - Movement of substances across cell membrane |
| - Enzymes and metabolism |
| - Food and humans |
| |
| S.4 |
| - Nutrition in humans |
| - Gas exchange in humans |
| - Transport in humans |
| - Nutrition and gas exchange in plants |
| - Transpiration, transport and support in plants |
| - Cell cycle and division |
| - Reproduction in flowering plants |
- Reproduction in humans |
| |