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1 The Heart The heart is the organ that pumps blood around your body. It is made from cardiac muscle tissue, which is supplied with oxygen by the corony artery. polmonary artery deoxygenated blood takes into the lungs vena cava brings deoxygen- ated blood into the heart right atrium right ventricle pumps blood to the lungs aorta-carries oxygenated blood around the body. •pulmory vein brings oxygenated. blood from the lungs left atrium left ventricle pumps blood around the body → heart rate is controlled by a group of cells called the right atrium that generate electrical impulses, acting as a pacemaker → Artificial impulses can be used to control irregular heartbeats.
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