keyword
Monthly search volume and cost-per-click data for "transport oxygen to cells and remove carbon dioxide from cells" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| how does the circulatory system work with the respiratory system | 2,400 | $0 | 10/20 |
| respiratory system and circulatory system | 1,900 | $0 | 10/20 |
| where does gas exchange take place in the lungs | 1,600 | $0 | 9/20 |
| where in the lungs does gas exchange take place | 1,600 | $0 | 9/20 |
| carbon dioxide is transported back to the lungs via | 260 | $0 | 9/20 |
| which organ system removes carbon dioxide from the bloodstream | 210 | $0 | 9/20 |
| carry oxygen to the cells and take carbon dioxide away | 50 | $0 | 12/20 |
| how does oxygen get into the bloodstream | 40 | $0 | 10/20 |
| how is oxygen carried from the lungs to the tissues | 40 | $0 | 10/20 |
| which system removes carbon dioxide from the blood | 40 | $0 | 10/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
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Full API spec: llms.txt