seodata.dev

keyword

what are the functions of the respiratory system

Monthly search volume and cost-per-click data for "what are the functions of the respiratory system" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+the+functions+of+the+respiratory+system&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
respiration system 90,500 $6.02 20/20
respiratory system 90,500 $0.81 20/20
respiratory systems 90,500 $6.02 20/20
function respiratory system 9,900 $0 20/20
respiratory function 9,900 $0 20/20
respiratory system function 9,900 $0 20/20
respiratory system functions 9,900 $0 20/20
organs of respiratory system 6,600 $0 20/20
organs of the respiratory system 6,600 $0 20/20
respiratory system organs 6,600 $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://app.seodata.dev/v1/keyword?q=what+are+the+functions+of+the+respiratory+system&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