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Multiple Choice
Which of the following is unique to cardiac muscle cells?
A
Multinucleated fibers
B
Intercalated discs
C
Voluntary control
D
Striations
Verified step by step guidance
1
Understand the types of muscle tissue: There are three types of muscle tissue in the human body - skeletal, cardiac, and smooth muscle. Each type has unique characteristics.
Identify the characteristics of cardiac muscle: Cardiac muscle cells are found in the heart and have specific features that distinguish them from skeletal and smooth muscle cells.
Examine the options provided: The options include multinucleated fibers, intercalated discs, voluntary control, and striations.
Analyze the unique feature of cardiac muscle: Cardiac muscle cells are known for having intercalated discs, which are specialized connections between the cells that allow for synchronized contraction of the heart muscle.
Conclude with the unique feature: Among the options, intercalated discs are unique to cardiac muscle cells, as they are not found in skeletal or smooth muscle tissues.