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Question
Write important role/roles of the following:
S.A.N.
Answer in Brief
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Solution
- The Sinoatrial Node (S.A.N.), commonly known as a pacemaker, is an area of cardiac fibres in the right atrium.
- The command or impulse initiates the heartbeat via electrical stimulation.
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Chapter 8: The Circulatory System - Review Questions [Page 113]
