Www.bellevernonarea.net

Which of these statements concerning the conduction system of the heart are true? a. The sinoatrial (SA) node of the heart acts as the pacemaker.b. The SA node is located on the upper wall of the left atrium.c. The AV node conducts action potentials rapidly through it.d. Action potentials are carried slowly through the atrioventricular bundle.e ... ................
................