| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| gas exchange in asthma | 1.63 | 0.6 | 7445 | 23 | 22 |
| gas | 0.3 | 0.8 | 5291 | 5 | 3 |
| exchange | 0.15 | 0.3 | 8468 | 34 | 8 |
| in | 1.54 | 0.2 | 6429 | 8 | 2 |
| asthma | 1.15 | 0.8 | 281 | 87 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| gas exchange in asthma | 0.06 | 0.2 | 7507 | 44 |
| asthma impaired gas exchange | 0.3 | 0.2 | 4405 | 64 |
| asthma effect on gas exchange | 1.53 | 0.4 | 9478 | 82 |
| how does asthma affect gas exchange | 1.43 | 0.4 | 4166 | 30 |
| impaired gas exchange related to asthma | 0.77 | 0.9 | 5368 | 35 |
| gas exchange in the respiratory system | 0.33 | 0.8 | 8869 | 53 |
| gas exchange in human respiratory system | 1.15 | 0.3 | 132 | 37 |
| gas exchange in lungs | 1.17 | 0.8 | 4448 | 5 |
| gas exchange occurs in respiratory system | 1.16 | 0.5 | 3085 | 8 |
| gas exchange take place in respiratory system | 0.93 | 0.5 | 9837 | 29 |
| asthma gasping for air | 1.27 | 0.3 | 5188 | 61 |
| gas exchange in lungs pdf | 1.5 | 0.7 | 7496 | 48 |
| emphysema effect on gas exchange | 1.98 | 0.4 | 4456 | 15 |
| gas exchange and breathing | 1.29 | 1 | 8296 | 81 |
| lungs and gas exchange | 1.84 | 1 | 9847 | 50 |
| exchange of gases in the respiratory system | 1.84 | 0.7 | 146 | 53 |
| exchange of respiratory gases | 1.43 | 0.7 | 8780 | 13 |
