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.
Channels: Medical
Tags: vein sceleto-muscle valve heart
Uploaded by: cagatay ( Send Message ) on 30-05-2009.
Duration: 0m 19s
