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53. Choose the FALSE statement about the all-or-nothing law that applies to some muscle cells: A. the heart muscle responds entirely with a maximum intensity response or does not respond at all when a stimulus of some intensity is applied B. the heart muscle reacts regardless of the intensity of the stimulus C. it is demonstrated by the experience of the ligature of Stannius (in the frog) D. it is explained by the syncytial organization of the cardiac muscle X E. applies only to an isolated muscle fiber

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