keyword
Monthly search volume and cost-per-click data for "when you breathe in oxygen what comes out" in US.
Keywords with overlapping search results, ranked by SERP similarity.
| keyword | volume | cpc | overlap |
|---|---|---|---|
| what does the respiratory system do | 4,400 | $0 | 17/20 |
| human lungs | 4,400 | $0.08 | 15/20 |
| human respiratory system | 2,400 | $0 | 15/20 |
| respiratory system human | 2,400 | $0 | 15/20 |
| what do we breathe out | 2,400 | $0 | 15/20 |
| how does the respiratory system work | 1,900 | $6.92 | 17/20 |
| in the lungs | 1,900 | $0 | 15/20 |
| what is the lungs | 1,600 | $0 | 17/20 |
| what do the lungs do | 1,600 | $0 | 15/20 |
| lungs in the body | 1,300 | $0.08 | 16/20 |
Similar volume + high overlap = same search intent. You can target either keyword.
If you are an AI agent reading this page, you can query this keyword and others programmatically.
Full API spec: llms.txt