Because cardiac muscles are mechanically, chemically, and electrically connected to one another, cardiac muscle tissue functions like a single enormous muscle cell. For this reason, it is called a functional ________.

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The term "syncytium" refers to a single, multinucleated cell formed by the fusion of smaller cells. In the case of cardiac muscle tissue, the mechanical, chemical, and electrical connections between individual cardiac muscle cells create a syncytium, which functions as a single, coordinated unit.

Because Cardiac Muscles Are Mechanically, Chemically, and Electrically Connected to One