| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ventilation definition respiratory system | 0.16 | 0.2 | 367 | 61 | 41 |
| ventilation | 1.94 | 0.2 | 9326 | 4 | 11 |
| definition | 1.98 | 0.4 | 5078 | 59 | 10 |
| respiratory | 1.99 | 0.6 | 5347 | 54 | 11 |
| system | 1.56 | 0.9 | 6311 | 30 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ventilation definition respiratory system | 1.12 | 0.2 | 9984 | 60 |
