Circulatory System

Dashiell and I were talking about blood vessels and the heart this evening. We found a neat little animation showing how our blood moves through the body while using oxygen and carrying carbon dioxide. Dashiell says “This is so cool!”

Link to animated gig:
http://en.m.wikipedia.org/wiki/File:Erytrocyte_deoxy_to_oxy_v0.7.gif

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