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keyword

carbon dioxide in the human body

Monthly search volume and cost-per-click data for "carbon dioxide in the human body" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=carbon+dioxide+in+the+human+body&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
carbon dioxide in blood 8,100 $0.02 12/20
high co2 in blood 8,100 $0.02 11/20
co2 high 4,400 $0.01 13/20
carbon dioxide levels in blood 2,400 $0 13/20
what does carbon dioxide do in the body 210 $0 12/20
what co2 level is dangerous in blood 90 $0 12/20
carbon dioxide human body 70 $0 17/20
carbon dioxide in human body 70 $0 14/20
co2 human body 40 $0 15/20
co2 in human body 40 $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=carbon+dioxide+in+the+human+body&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