| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| circulation definition biology | 0.1 | 0.6 | 3841 | 72 | 30 |
| circulation | 1.91 | 1 | 5087 | 29 | 11 |
| definition | 0.48 | 0.2 | 5979 | 56 | 10 |
| biology | 0.14 | 1 | 7652 | 80 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| circulation definition biology | 1.63 | 0.8 | 9544 | 43 |
| circulatory definition biology | 0.97 | 0.4 | 5508 | 19 |
| pulmonary circulation definition biology | 1.72 | 0.7 | 8239 | 66 |
| systemic circulation definition biology | 1.31 | 0.9 | 6764 | 13 |
| double circulation definition biology | 1.57 | 0.6 | 5250 | 84 |
| circulation marine biology definition | 0.28 | 0.3 | 712 | 41 |
| single circulation definition biology | 1.07 | 0.2 | 7132 | 33 |
| circulatory system definition biology | 0.21 | 0.2 | 4514 | 41 |
| open circulatory system definition biology | 0.3 | 0.8 | 8238 | 81 |
| closed circulatory system definition biology | 0.77 | 0.6 | 3345 | 18 |
