<Tr> <Th_colspan="2"> Details </Th> </Tr> <Tr> <Th> Source </Th> <Td> Left coronary artery </Td> </Tr> <Tr> <Th> Branches </Th> <Td> Left atrial branch left marginal artery posterolateral artery sinuatrial nodal artery (in some people) posterior interventricular artery (in some people) </Td> </Tr> <Tr> <Th> Supplies </Th> <Td> Posterolateral left ventricle, anterolateral papillary muscle, the sinoatrial nodal artery in 38% of people . </Td> </Tr>

Where does the circumflex artery supply blood to