Labels:clock | colostrum | door | scissors | sky | subarachnoid space OCR: Aorta Left pulmonary artery Superiot vena cava Pulmonary trunk Left pulmonary veins Right Left atrium veins Right AV (bicuspid) valve Right atrium Aortic semilunar valve Left. AV (tricuspid) valve Left ventricle Right ventricle Inferior vena cava Superior