Specialized muscle cells that carry the electrical impulses through the ventricles are called

Purkinje fibers

Explanation: Purkinje fibers are specialized cardiac muscle fibers that form a network in the walls ventricles and rapidly transmit impulses from the atrioventricular node to the ventricles. They conduct electric impulses, these impulses are responsible for the contractions of the ventricles.

format change of dna.  

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