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Which structures are listed in order from least complex to the most complex?

A. Cardiac cell , heart , mitochondria, circulatory system
B. Mitocondria, cardiac cell, heart , circulatory system
C. Mitochondrial, heart , cardiac cell, circulatory system
D. Circulatory system, heart, cardiac cell, mitochondria

User Dundee MT
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The answe may be C ...
User Sabrina Luo
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