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Multiple Choice
Where are intercalated discs found in the human body?
A
In skeletal muscle tissue
B
In cardiac muscle tissue
C
In nervous tissue
D
In smooth muscle tissue
Verified step by step guidance
1
Understand the function of intercalated discs: They are specialized structures that facilitate the synchronized contraction of cardiac muscle cells.
Recognize the types of muscle tissue in the human body: skeletal, cardiac, and smooth muscle tissue.
Identify the unique features of cardiac muscle tissue: It is striated like skeletal muscle but has intercalated discs, which are not found in skeletal or smooth muscle.
Learn the role of intercalated discs in cardiac muscle: They contain gap junctions and desmosomes that allow for electrical and mechanical connectivity between cardiac cells.
Conclude that intercalated discs are a defining characteristic of cardiac muscle tissue, distinguishing it from other muscle types.