keyword

lung functions

Monthly search volume and cost-per-click data for "lung functions" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=lung+functions&country=us" +--------------+------------------+ | volume | 6,600 | | cpc | $8.43 | | competition | 0 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
function of lungs	6,600	$3.28	20/20
function of the lungs	6,600	$8.43	20/20
lung function	6,600	$4.2	20/20
lungs function	6,600	$4.2	19/20
function of lung	6,600	$8.43	15/20
lung functioning	6,600	$8.43	15/20
function lungs	6,600	$3.28	14/20
functions lungs	6,600	$3.28	14/20
what is the function of lungs	1,600	$0	20/20
what is the function of the lungs	1,600	$0	20/20

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=lung+functions&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