| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| respiratory and nervous system interaction | 0.21 | 0.3 | 4025 | 14 | 42 |
| respiratory | 1.19 | 0.2 | 2354 | 77 | 11 |
| and | 1.59 | 0.9 | 3274 | 25 | 3 |
| nervous | 1.38 | 0.8 | 9719 | 20 | 7 |
| system | 1.56 | 0.7 | 2343 | 10 | 6 |
| interaction | 0.38 | 1 | 2495 | 32 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| respiratory and nervous system interaction | 0.31 | 0.8 | 7734 | 80 |
