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barry barry
wrote...
Posts: 11630
10 years ago
The contraction of any one cardiac muscle fiber
A) will immediately trigger an all-or-none response in all other cardiac fibers.
B) will cause the contraction of several others.
C) will cause the rate of heart muscle contraction to increase.
D) will stimulate the electrical conduction system of the heart.
E) None of the answers are correct.
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10 years ago
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