| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| exchange surface definition biology | 0.57 | 0.6 | 2611 | 2 | 35 |
| exchange | 0.76 | 0.3 | 1955 | 24 | 8 |
| surface | 0.71 | 0.4 | 338 | 55 | 7 |
| definition | 1.14 | 0.7 | 900 | 43 | 10 |
| biology | 0.47 | 0.3 | 5671 | 22 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| exchange surface definition biology | 1.17 | 0.6 | 1103 | 22 |
| what is a exchange surface | 1.89 | 0.9 | 2618 | 69 |
| exchange surfaces a level biology | 1.68 | 0.2 | 3650 | 18 |
| exchange surfaces gcse biology | 0.67 | 0.6 | 3036 | 81 |
| exchange surfaces and substances | 0.2 | 0.2 | 6666 | 23 |
| an exchange surface in the human body | 0.36 | 1 | 5450 | 41 |
| exchange surfaces in humans | 0.76 | 0.8 | 5479 | 93 |
| where are exchange surfaces found | 0.77 | 0.9 | 2594 | 77 |
| surface water oxygen exchange | 1.59 | 0.9 | 2681 | 36 |
| what is gas exchange surface | 0.61 | 1 | 821 | 13 |
| diffusion and exchange surfaces | 1.81 | 0.9 | 6801 | 88 |
| exchange surfaces a level biology aqa | 0.25 | 0.5 | 1340 | 94 |
| how are exchange surfaces adapted | 1.72 | 0.9 | 9263 | 33 |
| exchange surfaces a level biology ocr | 0.39 | 0.8 | 4863 | 61 |
