Heart

2 Min
Created at 02 / 2013
6.7
4.9   Informative
8.4   Entertaining
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By ParrMr
2 Videos
Mr. Parr's Science Songs. If you are looking for the lyrics for my songs, mp3's and... Read More
Watch this video and learn all about Heart. Amazing facts about cardiovascular system, blood circulation, and circulatory system in 1, 2 or 3 minute videos!
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