Multiple Choice
Which group is incorrect?
A) atrioventricular valves:tricuspid,bicuspid,mitral
B) layers of the heart:epicardium,myocardium,endocardium
C) abnormal heart rates:tachycardia,bradycardia
D) parts of the conduction system:SA node,AV node,bundle of His,Purkinje fibers,medulla oblongata
Correct Answer:

Verified
Correct Answer:
Verified
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