Q. Heart of heart is known as:

A
Atrial node
B
Pulmanory artery
C
SA node
D
Pulmanory vein
Solution:
  • The SA node is the heart’s natural pacemaker.
  • The SA node consists of a cluster of cells that are situated in the upper part of the wall of the right atrium (the right upper chamber of the heart).
  • The electrical impulses are generated there.
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