Mammal heart, chambers (Gross, Low)

Structure List
Right ventricle
Left ventricle
Right auricle
Left auricle
Aorta
Cranial vena cava
Pulmonary trunk
Left subclavian artery
Brachiocephalic trunk
Papillary muscle
Chordae tendineae

The vena cava is the largest vein in the systemic circulation. The cranial portion returns blood from the head to the right atrium of the heart.