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jayjayhussle310 jayjayhussle310
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5 years ago
The location of the heart's pacemaker is a specialized region of cardiac muscle called the
A) atrioventricular node.
B) sinoatrial node.
C) Purkinje fibers.
D) left ventricle.
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
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jiangyangjiangyang
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5 years ago
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jayjayhussle310 Author
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5 years ago
Good timing, thanks!
Lourd Jenkins
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Yesterday
This site is awesome
gmiannotti
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2 hours ago
Smart ... Thanks!
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