The inferior vena cava (or IVC) is a large vein carrying deoxygenated blood into the heart from the lower body. It is lower in rank compared to the SVC. In fact, the SVC spits on the IVC all the time. It's not fair.
Additional Reading
- Superior Vena Cava
- Anterior Vena Cava
- Posterior Vena Cava
- Lateral Vena Cava