| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the nervous system and the respiratory system | 1.99 | 0.4 | 729 | 29 | 45 |
| the | 1.03 | 0.6 | 4034 | 33 | 3 |
| nervous | 0.09 | 0.6 | 5509 | 28 | 7 |
| system | 0.79 | 0.5 | 514 | 50 | 6 |
| and | 1.01 | 0.1 | 6657 | 14 | 3 |
| the | 1.9 | 0.3 | 5989 | 6 | 3 |
| respiratory | 0.32 | 0.5 | 2718 | 69 | 11 |
| system | 0.69 | 1 | 9073 | 53 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the nervous system and the respiratory system | 0.92 | 0.6 | 4977 | 94 |
| nervous system work with respiratory system | 1.11 | 0.8 | 552 | 10 |
| respiratory system nervous system | 1.18 | 0.7 | 4608 | 7 |
| does respiratory system help nervous system | 0.21 | 0.9 | 9855 | 20 |
| nervous system and respiratory system | 0.46 | 0.8 | 7463 | 45 |
| nervous and respiratory system work together | 0.64 | 0.9 | 1665 | 20 |
| how does the respiratory and nervous work | 1.08 | 0.8 | 4166 | 37 |
| what system does respiratory system work with | 1.31 | 0.3 | 112 | 93 |
| what body system work with respiratory system | 1.7 | 0.4 | 3613 | 26 |
| what system does the respiratory work with | 1.83 | 1 | 1199 | 31 |
| the respiratory system works with what system | 0.6 | 0.9 | 8158 | 32 |
| nervous system interacts with respiratory | 1.48 | 0.8 | 1098 | 16 |
| respiratory system working with other systems | 0.37 | 0.8 | 6789 | 23 |
| the nervous system that controls respiration | 0.44 | 0.1 | 1138 | 61 |
