The left atrium is slightly smaller and covered with thick walls. It is connected with the pulmonary vein. It carries O2-rich blood to the left ventricle through the bicuspid ventricle. Between the two atria is the inter-atrial septum.
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The left atrium is slightly smaller and covered with thick walls. It is connected with the pulmonary vein. It carries O2-rich blood to the left ventricle through the bicuspid ventricle. Between the two atria is the inter-atrial septum.