The 'Pacemaker' of the human heart is located in which chamber?
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Correct answer: Right atrium
The Sino-atrial node (SAN) is called the pacemaker because it initiates and maintains the rhythmic contractile activity of the heart. it is located in the upper right corner of the right atrium.
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More Human Heart: Structure and Working questions
- Which nodal tissue is responsible for receiving impulses from the SAN and delaying them slightly before passing them to the ventricles?
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- The duration of a standard cardiac cycle in a healthy human heart is approximately:
- Which of the following events occurs during 'Joint Diastole'?
- The first heart sound 'Lubb' is associated with:
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