| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the respiratory system is composed | 0.57 | 0.2 | 4465 | 76 | 34 |
| the | 1.4 | 0.5 | 3702 | 20 | 3 |
| respiratory | 1.53 | 1 | 6641 | 77 | 11 |
| system | 0.91 | 1 | 2695 | 16 | 6 |
| is | 0.15 | 0.1 | 5939 | 4 | 2 |
| composed | 0.55 | 0.8 | 7742 | 96 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the respiratory system is composed | 1.14 | 0.4 | 6416 | 13 |
