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Question

Intercalated discs containing gap junctions


A

are the Z bands of skeletal muscles

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B

are where two cardiac muscles are fused together

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C

separate smooth muscles from each other

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D

make up the pacemaker in the heart

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Solution

The correct option is B

are where two cardiac muscles are fused together


Intercalated discs are microscopic identifying features of cardiac muscle. Cardiac muscle consists of individual heart muscle cells connected by intercalated discs to work as a single functional organ .

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