Why cardiac muscle are nonfatigue?

• Cardiac muscle is an involuntary, striated muscle which present only in heart. • they never get fatigue because cardiac muscle fibers are highly vascular surrounded by very rich capillary network, plenty of cytoplasm, mitochondria and rich in glycogen. read more

Message: Although skeletal and cardiac muscle are similar in many ways, there are important physiological differences that make cardiac muscle much less prone to fatigue. read more

Cardiac muscle resists fatigue so well because it’s got more mitochondria than skeletal muscle. With so many power plants at its disposal, the heart doesn’t need to stop and chill out. It also has a steady supply of blood bringing it oxygen and nutrients. read more