| A | B |
| REPRESENTS VENTRICULAR RECOVERY TIME | T WAVE |
| PERIOD OF TIME IN WHICH HEART RELAXES | DIASTOLE |
| SINUS BRADYCARDIA | HR < 60 |
| INTERNAL PACEMAKER OF THE HEART | SINOATRIAL NODE |
| ABNORAL HEART RHYTHM | ARRHYTHMIA |
| TRANSMITS ELECTRICAL IMPULSES TO WALLS OF VENTRICLES | PURKINGE FIBERS |
| THE HEIGHT OF THE DEFLECTION ON AN EKG STRIP | AMPLITUDE |
| INFLAMMATION OF VEINS | PHLEBITIS |
| HELP TISSUE TAKE UP OXYGEN AND NUTRIENTS | CAPILLARIES |
| THE HEART IS DIVIDED INTO ___CHAMBERS | FOUR |