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How the Respiratory System Works

The Respiratory System and its act of gas exchange is shown in this video.It details how air passes through the alveolar sacks to the alveoli where gas exchange occurs.

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Channels: Medical

Tags: Respiratory System alveolar sack gas exchange

Uploaded by: ( Send Message ) on 14-11-2010.

Duration: 1m 31s

Dnatube: Sciencific and Medical video site.