The pacemaker of the heart, also known as the sinoatrial (SA) node, is a group of specialized cells located in the right atrium. It regulates the heart beat by generating electrical impulses that set the rhythm and rate of the heart. In medical terms, an artificial pacemaker is a device implanted to perform this function when the natural pacemaker is defective.
What is the function of the heart Pacemaker?
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Question context
This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.