Veins are a type of blood vessel that carry deoxygenated blood back to the heart from various parts of the body. Explore how different veins look, work, and help support the cardiovascular system.

The Anatomy of the Subclavian Vein
The Anatomy of the Coronary Sinus
The Anatomy of the External Jugular Vein
The Internal Jugular Vein
Renal Vein Anatomy and Function
The Anatomy of the Pulmonary Vein
How Varicose Veins Are Treated
The Anatomy of the Urethra
The Anatomy of Jugular Veins
Portal Vein Function, Location, and Anatomy
The Anatomy of the Inferior Vena Cava
Order of Blood Flow Through the Heart
Structure and Function of Capillaries