| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| role of oxygen in cellular respiration | 0.92 | 0.9 | 7076 | 76 | 38 |
| role | 1.95 | 0.1 | 541 | 86 | 4 |
| of | 1.81 | 0.2 | 1203 | 27 | 2 |
| oxygen | 0.78 | 0.5 | 2816 | 92 | 6 |
| in | 1.16 | 0.3 | 7961 | 81 | 2 |
| cellular | 1.11 | 0.5 | 8016 | 34 | 8 |
| respiration | 1.27 | 0.6 | 7629 | 45 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| role of oxygen in cellular respiration | 1.82 | 0.9 | 485 | 65 |
| roll of oxygen in cellular respiration | 0.02 | 0.6 | 5092 | 56 |
