These are features of cardiac muscle fibers except
A. they depend almost exclusively on aerobic respiration.
B. they are rich in glycogen.
C. they have huge mitochondria.
D. they are very rich in myoglobin.
E. they have about the same endurance as skeletal muscle fibers

Cardiac muscle makes up the thick middle layer of the heart. It is also known as myocardium, it is one of three types of muscles in the body. Cardiac muscle is an involuntary striated muscle tissue found only in the heart and is responsible for the ability of the heart to pump blood

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These are features of cardiac muscle fibers except A. they depend almost exclusively on aerobic respiration. B. they are rich in glycogen. C. they have huge mitochondria. D. they are very rich in myoglobin. E. they have about the same endurance as skeletal muscle fibers

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What is cardiac muscles?

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These are features of cardiac muscle fibers except
A. they depend almost exclusively on aerobic respiration.
B. they are rich in glycogen.
C. they have huge mitochondria.
D. they are very rich in myoglobin.
E. they have about the same endurance as skeletal muscle fibers