Vena cava inferior

The video explains the anatomy and function of the inferior vena cava, a major vein in the human body. It describes its formation from the merger of the left and right iliac veins, its pathway alongside the abdominal aorta, and its role in transporting deoxygenated blood to the heart. The video also details the various veins that contribute to the inferior vena cava, including those from the liver, diaphragm, kidneys, and reproductive organs.

What is the significance of the inferior vena cava being a retroperitoneal structure?

Explain how the inferior vena cava connects to the heart.