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How tropomyosin and troponin regulate muscle contraction | NCLEX-RN | Khan Academy

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good page on the sliding filament theory

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good page on the sliding filament theory

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Muscle Contraction & Sliding Filament Theory

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sliding filament theory explained covering structures involved including Myofibril, Sarcomere, Actin, Myosin, Tropomyosin, and Troponin, plus detailed process.

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Myosin and actin | Circulatory system physiology | NCLEX-RN | Khan Academy