Mechanism of Vein

Vein contains one-way valves that work in conjunction with skeleto-muscles. When the sceleto-mucles contract, the valve open and blood is forced toward the heart. When the sceleto-muscle relaxed, the valve closed to prevent the backflow of blood away from the heart.

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Channels: Medical

Tags: vein sceleto-muscle valve heart

Uploaded by: ( Send Message ) on 30-05-2009.

Duration: 0m 19s