Which of the following is a characteristic feature of cardiac muscle?

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Cardiac muscle cells are striated, branched, and connected by intercalated discs containing gap junctions for synchronized contraction. They are involuntary. Multinucleated syncytium is typical of skeletal muscle. Spindle-shaped non-striated cells characterize smooth muscle. Voluntary control is for skeletal muscle. Intercalated discs allow rapid ion passage, enabling the heart to function as a syncytium.

Which of the following is a characteristic feature of cardiac muscle? MCQ with Answer and Explanation

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