Are SN and AV nodes of heart, controlling heartbeat; completely independent or are controlled by heart or brain. No copy past ..

Are SN and AV nodes of heart, controlling heartbeat; completely indepe

1.	Are SN and AV nodes of heart, controlling heartbeat; completely independent or are controlled by heart or brain. No copy past ..
Answer» SA AV node are electrical generators of heartExplanation:SA PRESENT in right atrium working under function of MEDULLA oblongata present in brain,AV node present between right atrium and right ventricle inferior to SA node ,helps in relaying electrical SIGNAL produced by SA node