| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| what is the physiological role of histamine | 1.2 | 0.1 | 8612 | 30 | 43 |
| what | 1.74 | 0.5 | 1393 | 73 | 4 |
| is | 1.06 | 1 | 5941 | 34 | 2 |
| the | 0.02 | 0.2 | 55 | 78 | 3 |
| physiological | 1.62 | 0.5 | 1449 | 40 | 13 |
| role | 0.16 | 1 | 5001 | 77 | 4 |
| of | 1.34 | 0.9 | 6323 | 40 | 2 |
| histamine | 0.52 | 0.6 | 1909 | 92 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what is the physiological role of histamine | 1.72 | 0.4 | 6571 | 86 |
