Question

Odd one out. with reasons
SA Node, Bundle of His, Purkinje fibre, Ventricular septum
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Answer 1

Answer:

There are small groups of specialized neuromuscular cells in the myocardium, which initiate and conduct impulses resulting in coordinated and synchronized contraction of the heart muscles. This system is made up of cardiac muscles. It's components are :

1) SA node.

2) AV node.  

3) AV bundle, bundle branches, and Purkinje fibres.

Explanation: