| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the respiratory system is responsible for | 1.23 | 0.5 | 9667 | 89 | 41 |
| the | 0.63 | 0.6 | 6005 | 24 | 3 |
| respiratory | 1.24 | 0.8 | 6861 | 15 | 11 |
| system | 1.79 | 0.6 | 6559 | 91 | 6 |
| is | 0.35 | 0.8 | 3094 | 42 | 2 |
| responsible | 1.87 | 0.1 | 8562 | 45 | 11 |
| for | 1.91 | 0.9 | 8401 | 91 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the respiratory system is responsible for | 0.59 | 0.1 | 7081 | 85 |
| lower respiratory system responsible for | 0.58 | 0.4 | 8143 | 6 |
| respiratory system responsible for speech | 0.68 | 0.3 | 8340 | 52 |
| what is the lower respiratory system | 1.62 | 0.8 | 8767 | 51 |
| what makes up the lower respiratory system | 0.01 | 0.8 | 7065 | 41 |
| what does the lower respiratory tract do | 0.29 | 0.3 | 3981 | 73 |
| lower respiratory system anatomy | 1.17 | 0.4 | 2825 | 24 |
| lower respiratory system organs | 0.74 | 0.9 | 7296 | 89 |
| lower part of respiratory system | 0.11 | 0.5 | 205 | 38 |
| lower respiratory system includes | 0.44 | 1 | 6828 | 11 |
| function of lower respiratory tract | 1.22 | 0.7 | 3436 | 5 |
| the lower respiratory system consists of the | 1.88 | 0.3 | 1834 | 32 |
| lower respiratory system and alveoli | 1.23 | 0.9 | 9775 | 90 |
| upper and lower respiratory system | 0.98 | 0.6 | 2465 | 39 |
| lower respiratory system structures | 1.18 | 0.8 | 8705 | 25 |
| what is lower respiratory | 1.85 | 0.7 | 3665 | 3 |
