<Tr> <Th> System </Th> <Td> Electrical conduction system of the heart </Td> </Tr> <Tr> <Th> Artery </Th> <Td> Sinoatrial nodal artery </Td> </Tr> <Tr> <Th_colspan="2"> Identifiers </Th> </Tr> <Tr> <Th> Latin </Th> <Td> nodus sinuatrialis </Td> </Tr>

Function of the sa node and the av node in the heart