The Normal Heart Rhythm Begins in The____________________ Which Acts as the _____________________
Multiple Choice
The normal heart rhythm begins in the____________________ which acts as the _____________________ of the heart.
A) sinoatrial node; pacemaker
B) bundle of His; conductor
C) Purkinje fibers; bundle branches
D) ventricles; muscles
E) systole; gateway
Correct Answer:

Verified
Correct Answer:
Verified
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