Independently, your heart beats to its own rhythm thanks to a built-in pacemaker called the sinoatrial (SA) node. Your SA keeps your heart firing at around 100 beats per minute. However, your ANS greatly influences how your heart beats. All the cells within your heart’s pacemaker have dir...
Independently, your heart beats to its own rhythm thanks to a built-in pacemaker called the sinoatrial (SA) node. Your SA keeps your heart firing at around 100 beats per minute. However, your ANS greatly influences how your heart beats. All the cells within your heart’s pacemaker have dir...