| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| define humoral immune system | 1.17 | 0.4 | 7396 | 70 | 28 |
| define | 0.53 | 0.4 | 3685 | 27 | 6 |
| humoral | 1.96 | 1 | 6967 | 91 | 7 |
| immune | 1.24 | 0.7 | 439 | 47 | 6 |
| system | 1.32 | 0.5 | 5817 | 62 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| define humoral immune system | 0.88 | 0.9 | 7951 | 96 |
