| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| closed circulatory system definition zoology | 0.46 | 0.9 | 8442 | 93 | 44 |
| closed | 0.1 | 0.1 | 953 | 73 | 6 |
| circulatory | 0.76 | 0.6 | 3493 | 50 | 11 |
| system | 0.86 | 0.6 | 648 | 49 | 6 |
| definition | 1.82 | 0.9 | 9760 | 99 | 10 |
| zoology | 0.61 | 0.3 | 5725 | 80 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| closed circulatory system definition zoology | 0.11 | 0.3 | 6940 | 34 |
| closed circulatory system definition biology | 0.2 | 0.8 | 5338 | 66 |
| closed circulatory system occurs in | 1.09 | 0.3 | 7908 | 45 |
| define open and closed circulatory system | 0.36 | 0.3 | 4172 | 22 |
| closed circulatory system is present in | 1.49 | 0.8 | 5079 | 52 |
| what is open and closed circulatory system | 0.82 | 0.4 | 5977 | 94 |
| a closed circulatory system is found in | 0.3 | 0.7 | 3407 | 16 |
| closed circulatory system in humans | 1.16 | 0.1 | 4723 | 85 |
| is the circulatory system open or closed | 1.77 | 0.7 | 1075 | 78 |
| in a closed circulatory system blood | 0.42 | 0.2 | 1786 | 62 |
| human closed circulatory system | 1.88 | 0.2 | 985 | 63 |
| closed and open circulatory system | 0.05 | 0.9 | 2514 | 57 |
