http://digfir-published.macmillanusa.com/imagemap_activity_default/hm_imagemap_heart.html\t
Chapter
1. Parts of the Heart
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http://digfir-published.macmillanusa.com/imagemap_activity_default/hm_imagemap_heart_dlap.xml\tDLAP questions\t511d0431b11c0faf30000000