Question

Give three features of cardiac muscles.​

Answer 1

Answer:

1). Cardiac muscles are involuntary muscles. They are involved in continuous rhythmic contraction and relaxation.

2). Cardiomyocytes or the cardiac cells are uninucleate, cylindrical, and elongated.

3). Cardiac muscles display faint cross-striations which do not get fatigued under normal circumstances.

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Explanation:

Answer 2

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Features of cardiac muscles -

(i) Cardiac muscles are involuntary. They cannot be controlled by will.

(ii) Cardiac muscle cells are cylindrical, branched and uninucleate.

(iii) Cardiac muscles show rhythmic contraction and relaxation throughout the life.