Arteries Vs Veins

Main Differences Between Arteries and Veins

Blood Flow Direction

• Arteries:

  • Transport blood away from the heart.

  • Remember: "A for artery and away" to easily recall this point.

• Veins:

  • Transport blood to the heart.

Blood Oxygen Content

• Arteries:

  • Contain mostly oxygenated blood.

• Veins:

  • Contain mostly deoxygenated blood.

Valves

• Arteries:

  • Do not have valves.

• Veins:

  • Have valves to prevent backflow and assist in blood return to the heart.

Clinical Implications

Peripheral Artery Disease

• A condition characterized by issues with blood flow to the legs due to problems with arteries, where blood is supposed to flow away from the heart.

Chronic Venous Insufficiency

• A condition resulting from impaired blood return to the heart through veins, representing problems with blood flowing to the heart.