Circulatory system

Anatomy: Systems

	This category is within the scope of WikiProject Anatomy, a collaborative effort to improve the coverage of Anatomy on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.AnatomyWikipedia:WikiProject AnatomyTemplate:WikiProject AnatomyAnatomy articles
	This category has been classified as relating to systems.

Animal anatomy

This category is part of WikiProject Animal anatomy, an attempt to organise a detailed guide to all topics related to animal anatomy apart from human anatomy. To participate, you can edit the attached article, or contribute further at WikiProject Animal anatomy. This project is an offshoot of WikiProject AnimalsAnimal anatomyWikipedia:WikiProject Animal anatomyTemplate:WikiProject Animal anatomyAnimal anatomy articles

Systems

	Systems science portal This category is within the scope of WikiProject Systems, which collaborates on articles related to systems and systems science.SystemsWikipedia:WikiProject SystemsTemplate:WikiProject SystemsSystems articles
	This category is not associated with a particular field. Fields are listed on the template page.

Scuba diving

This category is part of WikiProject Underwater diving, an effort to create, expand, organize, and improve Underwater diving-related articles to a feature-quality standard, and to comprehensively cover the topic with quality encyclopedic articles.Scuba divingWikipedia:WikiProject Scuba divingTemplate:WikiProject Scuba divingSCUBA articles

Category talk:Circulatory system

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