Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Cardiac muscles are (1) striated (2) voluntary (3) involuntary (4) nonstriatedA) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
Cardiac muscles are the principal constituent of heart wall. Cardiac muscles have long cylindrical, branched and uninucleate cells divided at places by intercalated disc and are striated involuntary, contract quickly and do not get fatigued-
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