WebAnatomy: Muscle Physiology Essay #2


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WebAnatomy - Muscular System

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Muscle cell (1) (relaxation) begins when (2) decomposes the ACh-receptor complexes located at the (3). (4) ions move by (5) (an event which requires (6)) from the troponin and tropomyosin back into the (7). The troponin and tropomyosin molecules then cover the myosin binding sites on the (8) molecules and the sarcomere moves back to its relaxed state - (9) move farther apart and the (10) becomes larger.

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