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Multiple Choice
How does cardiac muscle differ from the other types of muscle tissue?
A
It is involuntary and has intercalated discs.
B
It is non-striated and voluntary.
C
It is striated and multinucleated.
D
It is voluntary and striated.
Verified step by step guidance
1
Identify the three types of muscle tissue: cardiac, skeletal, and smooth muscle.
Understand that cardiac muscle is found only in the heart and is responsible for pumping blood throughout the body.
Recognize that cardiac muscle is involuntary, meaning it functions without conscious control, unlike skeletal muscle which is voluntary.
Note that cardiac muscle is striated, similar to skeletal muscle, but it differs by having intercalated discs, which are unique to cardiac muscle and facilitate synchronized contraction.
Compare the characteristics: cardiac muscle is involuntary and has intercalated discs, skeletal muscle is voluntary and striated, and smooth muscle is involuntary and non-striated.