IMO, and I could be wrong, but the drive from Minn/St Paul, other than the Mall of America in Minneapolis, has nothing of interest until you get to the Badlands, Custer STate Park, Crazy HOrse, Mt Rushmore area. Deadwood SD for a day and night, I found to be of interest.
Sinoatrial node is located at the junction of the superior vena cava with the right atrium.
The sinoatrial (SA) node (known as the heart's pacemaker) in the wall of the right atrium is where electrical signals originate and lead to contraction. It sets the rate of co â¦ ntraction; at rest this is about 70 to 80 bpm (beats per minute).  When the electrical impulse for muscle contraction is generated, it  travels throughout the muscle of each atrium, causing atrial  contraction. the impulse then travels to the atrioventricular (AV)  node.   according to Medical Assisting-administrative and clinical  procedures with anatomy and physiology.