Heart, Right Ventricle
This illustration shows the human heart, with the right ventricle opened up. Visible are the aortic arch (top, red) above the pulmonary trunk, the superior and inferior vena cava on the left and the pericardial sac. Opening up the right ventricle shows the pulmonary valve (top) as well as the tricuspid valve (left) with its tendinous chords and papillary muscles.
