Now intercollated discs are basically these connecting regions that contain two important types of junctions. One of these junctions is known as a gap junction. And what the gap junction is, it's basically this channel that connects one cell to the JSON cell and this channel allows for a quick and uniform propagation of the action potential from one cell to the next cell because it allows the movement of ions between adjacent muscle cells. And this type of arrangement of cardiac muscle cells in the heart basically allows for a uniform and synchronized contraction of our heart. So if we take a look at the following diagram, this is cardiac muscle cell number one, cardiac muscle cell number two. This separating region that connects them is the intercollated discs and it contains one type of junction known as a gap junction, that allows for a rapid communication between cells.