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Your Heart and Circulatory System

Posted Jan 14 2009 5:50pm

When we are healthy our body systems, including our heart and circulatory system, usually work pretty well.  I love learning about the heart and circulatory system.  It fascinates me.  Here’s a video explaining the basics.  It’s about 3 minutes short:

[Can’t see the video?  Go here ].

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