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Cardiac muscle rest during-...

Cardiac muscle rest during-

A

Atrial diastole

B

Atrial systole

C

Ventricular diastole

D

Ventricular systole

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Knowledge Check

  • Cardiac muscles are found in __ of the heart

    A
    myometrium
    B
    myocardium
    C
    myotome
    D
    all the above
  • Cardiac muscles are highly resistant to fatigue because

    A
    a. numerous sarcosomes, high myoglobin and rich supply of blood vessels
    B
    b. numerous sarcosomes, less myoglobin and low supply of blood vessels
    C
    c. less sarcosomes, more sarcoplamic reticulum
    D
    d. none of these
  • If one cardiac muscle cell receives stimulus for contraction, neighbouring cardiac muscle cells are also stimulated due to

    A
    microvilli
    B
    sarcoplasmic reticulum
    C
    communication junctions
    D
    tight junctions
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