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Anatomy And Physiology (Endocrine) Mcgraw Hill Proctored Exam
Question 57
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Anatomy And Physiology (Endocrine) Mcgraw Hill Proctored Exam
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Question 57
Anatomy and physiology (endocrine) McGraw hill proctored exam
The heart contracts because of an electrical impulse. Where in the heart does this impulse start?
A
sinoatrial node
B
atrioventricular node
C
right ventricle
D
left atrium
Select an Answer to Reveal Correct Answer & Rationale
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