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The ________ plays a central role in the circulatory system. It consists of four ________: two for receiving blood and two for pumping blood. A. kidney, veins B. heart, chambers…

The ________ plays a central role in the circulatory system. It consists of four ________: two for receiving blood and two for pumping blood. A. kidney, veins B. heart, chambers…
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The ________ plays a central role in the circulatory system. It consists of four ________: two for receiving blood and two for pumping blood. A. kidney, veins B. heart, chambers C. heart, veins D. kidney, chambers

User Gyorgy
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Heart pumps blood to your body and it has four chambers. Two Atriums and Two Ventricles.
User Jomoos
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