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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Beanieman Beanieman
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8 years ago
What two major regions of the heart contain a concentration of pacemaker cells?
A) sinoatrial node and atrioventricular node
B) bundle of His and atrioventricular node
C) sinoatrial node and bundle of His
D) sinoatrial node and Purkinje fibers
E) bundle of His and Purkinje fibers
Textbook 
Principles of Human Physiology

Principles of Human Physiology


Edition: 5th
Author:
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ch1990ch1990
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7 years ago
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Beanieman Author
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#2
7 years ago
You're one smart cookie lol
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#3
7 years ago
don’t mention it Wink Face
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