| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| humoral immune system definition | 0.74 | 0.2 | 1900 | 48 | 32 |
| humoral | 1.95 | 0.5 | 2533 | 71 | 7 |
| immune | 1.03 | 0.1 | 3294 | 5 | 6 |
| system | 1.83 | 0.1 | 6712 | 45 | 6 |
| definition | 0.23 | 0.8 | 2141 | 58 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| humoral immune system definition | 0.94 | 1 | 5008 | 72 |
