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What is the main organ of the circulatory system?

arteries

veins

heart

capillaries

2 Answers

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The heart are the main organ.
arteries, veins and capillaries are the one that travels blood around the body
answered
User Rey Abolofia
by
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Step-by-step explanation:

your heart is the main organ of the circulatory system

answered
User Swix
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