| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| external respiration vs pulmonary ventilation | 1 | 0.4 | 5299 | 11 | 45 |
| external | 2 | 0.2 | 7737 | 53 | 8 |
| respiration | 1.34 | 0.4 | 6513 | 14 | 11 |
| vs | 1.45 | 0.8 | 9162 | 68 | 2 |
| pulmonary | 1.89 | 0.4 | 7752 | 18 | 9 |
| ventilation | 1.74 | 0.9 | 6331 | 15 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| external respiration vs pulmonary ventilation | 1.9 | 0.4 | 3389 | 48 |
| pulmonary ventilation vs respiration | 1.73 | 0.5 | 4522 | 99 |
| what is external pulmonary respiration | 0.41 | 0.2 | 6703 | 100 |
| ventilation external and internal respiration | 1.47 | 0.3 | 963 | 19 |
| external respiration vs internal respiration | 1.14 | 0.7 | 9969 | 76 |
| pulmonary external respiration refers to | 0.53 | 1 | 2528 | 82 |
| ventilation vs respiration vs oxygenation | 1.28 | 0.1 | 4081 | 8 |
| external vs internal respiration | 0.59 | 0.2 | 3676 | 20 |
| ventilation and respiration difference | 1.66 | 0.5 | 9578 | 50 |
| what is respiration vs ventilation | 1.2 | 0.7 | 2435 | 72 |
| ventilation vs respiration vs perfusion | 0.3 | 0.6 | 4901 | 51 |
| difference between ventilation & respiration | 0.61 | 0.4 | 684 | 95 |
| how is ventilation different from respiration | 1.37 | 0.5 | 134 | 14 |
| how does respiration differ from ventilation | 1.78 | 0.5 | 2570 | 51 |
| compare external and internal respiration | 0.21 | 0.4 | 9890 | 95 |
| internal and external respiration difference | 1.13 | 0.9 | 5495 | 13 |
| respiratory system pulmonary ventilation | 0.89 | 0.6 | 7286 | 90 |
| difference between respirator and ventilation | 0.82 | 0.5 | 8783 | 90 |
