The cardiac in a pacemaker patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him .It likes that it will be grafted at the site of

a-AV bundle

b-Purkinje fiber

c-SA nojde

d-AV node

The correct option is C. 
SA node is known as the natural pacemaker of the heart. It is responsible for maintaining rhythmic contractile activity of heart. Thus, artificial pacemaker is grafted at the site of SA node to control abnormal beats of the heart during any heart disease.

  • 2

c

  • 1
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