The job of the heart is to pump oxygenated blood throughout the cells of the body and to return deoxygenated blood to lungs or gills for replenishment. Right heart pumps blood in to the lungs,where... | more...

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Channels: Medical

Tags: heart blood lungs atrium ventricle

Upload by: tubeman on 15-08-2007.

Duration: 0m 33s

Dnatube: Sciencific and Medical video site.