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keyword

what do human breathe out

Monthly search volume and cost-per-click data for "what do human breathe out" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+do+human+breathe+out&country=us" +--------------+------------------+ | volume | 1,900 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
lungs 90,500 $8.44 14/20
human lungs 4,400 $0.08 16/20
what do we breathe out 2,400 $0 20/20
human breathing system 2,400 $0 14/20
in the lungs 1,900 $0 16/20
how does the respiratory system work 1,900 $6.92 15/20
what do the lungs do 1,600 $0 15/20
what is the lungs 1,600 $0 15/20
what do you breathe out 880 $0 15/20
what do humans breathe 210 $0 15/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=what+do+human+breathe+out&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt