keyword

humans breathe oxygen

Monthly search volume and cost-per-click data for "humans breathe oxygen" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=humans+breathe+oxygen&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
what do we breathe out	2,400	$0	19/20
what do humans breathe	210	$0	13/20
breathe in oxygen breathe out	170	$0	13/20
why do we breathe in oxygen	170	$0	13/20
why do we breathe oxygen	170	$0	13/20
we breathe in oxygen and breathe out	70	$0	13/20
do we breathe out oxygen	50	$0	14/20
what oxygen do we breathe	50	$0	13/20
do you breathe out oxygen	40	$0	13/20
why do humans breathe oxygen	30	$0	14/20

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://api.seodata.dev/v1/keyword?q=humans+breathe+oxygen&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt