Movement of this ion into a cardiac muscle cell to the plateau phase of the action potential?

The Movement of this ion into a cardiac muscle cell contribute to the plateau phase of the action potential? or:The Movement of this ion into a cardia

The Movement of this ion into a cardiac muscle cell contribute to the plateau phase of the action potential?

or:The Movement of this ion into a cardiac muscle cell contribute to the plateau phase of the action potential?

Tags:movement,muscles,