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Annelids have a(an) ____ circulatory system, in which blood is contained in a network of blood vessels. A. open B. dorsal C. closed D. ventral

User Vladimir
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c. Annelids have a closed circulatory system, in which blood is contained in a network of blood vessels.

User Yuri Morales
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Annelids have a Ventral circulatory system, in which blood is contained in a network of blood vessels.
User Joebet Mutia
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