The Nurse Is Preparing a Teaching Tool About the Cardiac

The nurse is preparing a teaching tool about the cardiac electrical conduction system. In which order should the nurse explain the route of the action potential? (Enter the number of each step in the proper sequence; do not use punctuation or spaces. Example: 1234)
A) Impulse travels to the bundle of His
B) Sinoatrial node fires in the right atrium
C) Impulse extends through Purkinje fibers
D) Impulse travels through bundle branches
E) Impulse travels to the atrioventricular node
F) Impulse spreads through atrial myocardium