Tucked in the basement of the Mayo Building on the University of Minnesota’s Twin Cities campus sits a detached, beating ...

This new study reveals a dramatically different picture of ... group of neurons with “pacemaker” properties – essentially, specialized cells that help regulate the heart’s beat.

In humans, the heart’s sinoatrial node (SAN), acts as the body’s pacemaker. A new study ... on samples from 21 donated human hearts. To observe heart function, the team placed live tissue into glass ...

The actual picture ... videoThe human heart This short film uses 3D CGI images to show the movement of blood through the chambers of the heart and also the pacemaker cells. How humans heal themselves.

Your heart is an exquisitely engineered pump made almost entirely of muscle. And you can see the extraordinary engineering in action if we slow your heart to a single beat. Inside the cavernous ...