Major veins of the Body

Major Veins of the Body

What Veins do?

Veins carry blood toward the heart. Nearly all veins carry oxygende pleted blood, with the sole exception of the pulmonary vein, which carries oxygenated blood from the lungs to the left atrium. Veins serve as a large reservoir for circulating blood.

Feeling flexible

Veins have thinner, more pliable walls than arteries. That pliability allows veins to accommodate variations in blood volume. Veins contain valves at periodic intervals to prevent blood from flowing backward.

A close look at the veins

This illustration shows the major veins of the body.

mojor-veins

arm-veins
Veins of the Arm

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