| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| two portal systems in the human body | 1.48 | 0.7 | 809 | 8 |
| portal systems in the body | 0.29 | 0.5 | 3549 | 88 |
| portal systems in humans | 1.71 | 0.9 | 6654 | 87 |
| how many portal system in human body | 0.5 | 0.6 | 4847 | 37 |
| what is the portal system anatomy | 1.1 | 0.8 | 4575 | 77 |
| portals of the body | 0.15 | 0.6 | 7568 | 90 |
| a portal system is one in which | 1.44 | 0.8 | 8717 | 42 |
| what is portal system in biology | 1.8 | 0.2 | 3079 | 63 |
| portal 2 p body and atlas | 1.47 | 0.7 | 9881 | 99 |
| portal system in hormones | 1.36 | 0.4 | 7854 | 22 |
| renal portal system in humans | 1.36 | 0.2 | 953 | 55 |
| portal 2 atlas and p-body | 1.22 | 0.7 | 1123 | 9 |
| do humans have renal portal system | 0.99 | 0.8 | 8199 | 18 |
| a portal system quizlet | 0.26 | 0.2 | 8865 | 49 |
| can humans be portals | 1.06 | 0.7 | 9000 | 19 |
| are there any portals | 0.7 | 1 | 2730 | 37 |
