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Tissues — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceTissues1 Mark
MCQ
Cardiac muscles are:
  • A
    Smooth, multinucleate, involuntary.
  • B
    Striated, multinucleate, involuntary.
  • C
    Smooth, uninucleate, involuntary.
  • D
    Striated, uninucleate, involuntary.
✓

Answer

  1. Smooth, multinucleate, involuntary.

Explanation:

Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscles, with the other two being skeletal and smooth muscles. It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart.

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