Question

Intercalated discs allow the cardiac muscles to

 A

Contract independently

 B

To relax differently

 C

Contract as a unit

 D

Both B & C


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Answer 1

Answer:

D. Both B and C

Explanation:

As the discs helps the muscles to relax and contract at a time

Answer 2

Answer:

Intercalatd discs are the dense junctions formed in between the cardiac muscle cells, where they meet each other. Intercalated discs are the specialised regions of the cell membranes. As cardiac muscle possesses considerable rhythmicity and generates its own wave of excitation, these discs function as boosters for muscle contraction wave and allow the contraction wave to be transmitted from one cardiac muscle to another.

Therefore, the correct answer is option A.

Explanation:

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