Cardiac muscle differs from other muscle tissue in

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Cardiac muscle fibers are unique in that they are connected to one another at intercalated discs, specialized regions of the cell membrane that contain gap junctions and desmosomes. These junctions allow for rapid communication and coordination among cardiac muscle cells, which is important for the synchronized contraction of the heart. While cardiac muscle does have striations like other muscle tissue, it also has a branching pattern and contains more mitochondria to support the high energy demands of the heart. The size of cardiac muscle fibers can vary, but they are generally smaller than those found in skeletal muscle.

Cardiac Muscle Differs from Other Muscle Tissue in