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Dual Innervation
...  decrease of the heartbeat. The heartbeat can increase higher than 80 beats per minute or bpm and lower than 60 beats per minute. The specific part of the heart that employs dual innervations is the Sinoatrial Node or SA node. This SA node functions as the pacemaker of the heart by the production of action potentials more quickly than other parts of the heart. The SA node, due to its  ...

Conduction System of the Heart
...  electrical conduction system that is made of two nodes and several conduction fibres. The electrical conduction capability of the heart allows electrical propagation to be transmitted from the Sinoatrial Node passing through the atria and moving forward to the antriventricular node. The normal functioning of the heart starts with an electrical impulse from the sinoatrial mode, which is  ...


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