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Pacemaker cells are located in the ______________; Contractile cells are located in the _____________.
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Pacemaker cells are located in the ______________; Contractile cells are located in the _____________.

User Derly
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Cardiac pacemaker cells are mostly found in the sinoatrial (SA) node

Most of the muscle cells in the heart are contractile cells.
The autorhythmic cells are located in these areas: Sinoatrial (SA), or sinus, node. Atrioventricular (AV) node.
User Ccshih
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