​Cardiac Muscle Undergoes Fast, Synchronous Contractions Stimulated by Ion Flow

question 13

Multiple Choice

​Cardiac muscle undergoes fast, synchronous contractions stimulated by ion flow. Which type of cellular junction is essential for achieving this action in cardiac muscle?

• A) ​gap junctions
• B) ​tight junctions
• C) ​plasmodesmata
• D) ​adhering junctions
• E) ​desmosomes

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