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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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barry barry
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10 years ago
The main pacemaker region of the heart is
A) electrically active nodal tissue located in the wall of the left ventricle.
B) in the interventricular septum.
C) able to cause the atria and ventricles to contract simultaneously.
D) able to cause the muscle to begin to contract at the apex.
E) in the wall of the right atrium.
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padrepadre
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10 years ago
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barry Author
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#2
10 years ago
Thanks
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