Semi-Lunar Valve - What stops the blood from gong back into the ventricles after they contract?, Tricuspid Valve - What stops blood from going back into right atrium?, Bicuspid Valve - What stops blood from going back into left atrium?, Pulmonary Vein - What brings oxygenated blood from the lungs back to the heart?, Aorta - What brings oxygenated blood from the heart to the body?, Left Ventricle - What contracts and forces blood out along the aorta?, Cardiac Muscle - What contracts and relaxes to give the heart its regular beat or pulse?, Right Ventricle - What contracts and forces blood out along the Pulmonary Artery?, Left Atrium - What receives blood from the lung;contracts and forces blood into the left ventricle?, Vena Cava - What receives deoxygenated blood form the body?, Pulmonary Artery - What brings deoxygenated blood from the heart to the lungs?, Septum - What partitions the heart into its left and right sides?, Right Atrium - What contracts and forces blood into the right ventricle ventricle?,

The Heart & Blood Vessels

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