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Heart tubes
Label the diagram of the developing hear tubes.
You may give your answers in any order.
![Picture](http://kwizmi.com/photos/quizzes/large_5b8264530da4a2afef030a080a7cac73.jpg)
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Source / copyright information
- en.wikipedia.org/wiki/File:Gray461.png
Label the diagram of the developing hear tubes.
You may give your answers in any order.