| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| roll of oxygen in cellular respiration | 1.96 | 0.3 | 8506 | 59 | 38 |
| roll | 0.41 | 0.8 | 1672 | 37 | 4 |
| of | 1.1 | 0.9 | 5028 | 49 | 2 |
| oxygen | 1.7 | 0.7 | 3030 | 50 | 6 |
| in | 1.42 | 0.6 | 8132 | 79 | 2 |
| cellular | 1.64 | 0.8 | 5129 | 69 | 8 |
| respiration | 1.86 | 0.3 | 1660 | 32 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| roll of oxygen in cellular respiration | 1.24 | 0.3 | 461 | 55 |
