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→About the Circulatory System
The '''circulatory system''' is made of:
*The [[heart]] - An [[organ]] which pumps [[blood]].
*[[artery|Arteries]] - [[Blood Vessel]]s which transport high pressure [[blood]] away from the [[heart]].*[[Vein]]s - [[Blood Vessel]]s which transport low pressure [[blood]] towards the [[heart]].
*[[capillary|Capillaries]] - Extremely small [[Blood Vessel]]s that spread through the [[organ]]s to deliver the [[blood]].