| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| bbc exchange surfaces | 1.41 | 0.5 | 6069 | 48 | 21 |
| bbc | 0.48 | 0.8 | 2747 | 98 | 3 |
| exchange | 1.44 | 0.6 | 7745 | 64 | 8 |
| surfaces | 0.51 | 1 | 7830 | 80 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| exchange surfaces bbc bitesize | 1.96 | 0.1 | 3220 | 70 |
| bbc bitesize exchange surfaces aqa | 1.67 | 0.1 | 5665 | 92 |
| bbc bitesize exchange surfaces aqa alveoli | 1.01 | 0.4 | 2467 | 53 |
| bbc bitesize exchange surfaces aqa gills | 0.81 | 0.8 | 9137 | 43 |
| exchange surfaces bbc bitesize biology | 1.11 | 0.3 | 9680 | 2 |
| bbc bitesize gcse biology exchange surfaces | 1.51 | 0.3 | 8853 | 96 |
| bbc bitesize exchange surfaces | 0.91 | 0.7 | 5372 | 30 |
| adaptations of exchange surfaces bbc bitesize | 0.93 | 0.2 | 2359 | 32 |
| gas exchange bbc bitesize aqa | 1.09 | 1 | 554 | 82 |
| aqa a level biology exchange surfaces | 0.02 | 0.6 | 7963 | 10 |
| bbc bitesize aqa rs gcse | 1.67 | 0.6 | 6235 | 60 |
| bbc bitesize gcse aqa | 0.04 | 0.9 | 4904 | 9 |
| bbc bitesize re aqa gcse | 1.11 | 1 | 1972 | 90 |
