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==Key Stage 2==
===Meaning===
[[File:CirculatorySystem.png|right|300px250px|thumb|A diagram showing the circulatory system including the [[heart]] and [[Blood Vessel|blood vessels]].]]
The '''Circulatory System''' is a group of [[organ]]s that work together to carry [[oxygen]] and [[nutrients]] around the body.
==Key Stage 4==
[[File:CirculatorySystemDiagram.png|right|300px400px|thumb|A diagram showing the circulatory system including the [[heart]] and [[Blood Vessel|blood vessels]].]]
===Meaning===
The '''circulatory system''' is a transport system found in some [[animal]]s used to transport [[oxygen]], [[nutrient]]s, [[waste]] and [[hormone]]s around the body.