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your heart and circulatory system from kidsheath.org

Heart Muscle
atria/atrium the two chambers on top of the heart,the chambers that fill with the blood returning to the heart from the body and lungs
ventricles the two chambers on the bottom of the heart
septum the middle o f the heart that is a thick wall of muscle
Mitral Valve/Tricuspid Vlave two of the heart valves that let blood flow from the atria to the ventricle
Aortic Valve and Pulmonary Valve the two valves in charge of controlling the flow as the blood leaves the heart
blood vessels the arteries and veins that blood moves through
circulation the movement of the blood though the heart and around the body
Created by: EricaJ13