Veins Draining into Superior Vena Cava Chart: This chart shows veins like the brachiocephalic, subclavian, and jugular veins converging into the superior vena cava, which returns blood from the upper body to the heart.
Thoracic Abdominal Veins: These veins include the superior and inferior vena cava, azygos system, and hepatic veins, which return deoxygenated blood from the thorax and abdomen to the heart.