The heart has two types of autorhythmic fibers: nodes and conducting fibers.

/in /by

The heart has two types of autorhythmic fibers: nodes and conducting fibers. The nodes or pacemak electrical
signal and the conducting fibers transmit that electrical impulse to the contractile fibers. T the heart rate is the
sinoatrial (SA) node and it can be found in the posterior wall of the right atrium