| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| respiratory system introduction quizlet | 1.29 | 0.1 | 2528 | 19 | 39 |
| respiratory | 1.32 | 0.3 | 7510 | 60 | 11 |
| system | 1.95 | 0.8 | 5644 | 64 | 6 |
| introduction | 0.29 | 1 | 5205 | 60 | 12 |
| quizlet | 0.08 | 0.5 | 484 | 71 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| respiratory system introduction quizlet | 1.2 | 0.1 | 826 | 70 |
