#circulatory_system__circulatorysystem__cardiovascular_system  the organs and tissues involved in circulating blood and lymph through the body
  supertype:  #vascular_system  the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant
  subtype:  #fetal_circulation  the system of blood vessels and structures through which blood moves in a fetus
  part:  #liver  #heart.internal_organ  #bloodstream  #lymph  #blood_vessel  #vein  #lymph_node
  part of:  #body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"

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