seodata.dev

keyword

chapter 12 circulatory system

Monthly search volume and cost-per-click data for "chapter 12 circulatory system" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=chapter+12+circulatory+system&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
circulatory system diagram 9,900 $0.09 2/20
what is the function of the circulatory system 4,400 $0 2/20
what is the main function of the circulatory system 4,400 $0 2/20
organ in the circulatory system 2,900 $0 2/20
organs of the circulatory system 2,900 $0 2/20
human circulatory system 2,400 $0.12 2/20
circulatory system organ 90 $0 3/20
chapter 12 the cardiovascular system the heart answer key 30 $0 3/20
chapter 12: the cardiovascular system the heart answer key 30 $0 3/20
chapter 12 cardiovascular system 20 $0 5/20

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=chapter+12+circulatory+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