| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| circulatory system definition body | 0.37 | 0.6 | 7688 | 33 | 34 |
| circulatory | 0.59 | 0.8 | 3830 | 46 | 11 |
| system | 1.65 | 0.5 | 4712 | 85 | 6 |
| definition | 0.81 | 0.5 | 157 | 53 | 10 |
| body | 0.65 | 0.7 | 9313 | 21 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| circulatory system definition biology | 0.08 | 0.8 | 5298 | 4 |
| open circulatory system definition biology | 1.24 | 0.1 | 2999 | 32 |
| closed circulatory system definition biology | 0.15 | 1 | 6207 | 11 |
