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Why Does Cardiac Muscle Have a Large Number of Mitochondria

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During strenuous exercise the rate of energy use in skeletal muscles can increase by more than 100-fold almost instantly. The muscle cells of the heartcardiomyocyteshave larger and more abundant mitochondria than any other type of cell including skeletal and smooth muscle. Why Does Cardiac Muscle Tissue Have Large Numbers Of Mitochondria Quora Why muscle cells have large numbers of mitochondria. . The number of mitochondria reflects the energy requirement of a cell. Muscle cells require a lot of ATP to carry out contraction and this is why a large number of mitochondria are required to produce this ATP. Muscle cells need energy to do mechanical work and respond quickly. In humans erythrocytes do not contain any mitochondria but heart kidneys pancreas and muscle cells contain hundreds or even thousands of. The study of mitochondrial function in the human heart faces many obstacles and elucidation of the role of mitochondria...