| Answer | Crossword Clue |
|---|---|
| SINOATRIALNODE | Heart's pacemaker |
| METRONOME | Pacemaker? |
| pacer | pacemaker |
| TRAINS | Pacemaker and Trailblazer. |
| ECG | Pacemaker tester: var. |
| TRAINRIDE | Trip on the Pacemaker. |
| OTIS | Inventor Boykin who helped develop the pacemaker |
| pacemaking | performing the function as of a pacemaker |
| pacemakings | PACEMAKING, performing the function as of a pacemaker |
| pacemakers | PACEMAKER, a person who sets the pace in a race |
| sinuses | Relating to or denoting the sinoatrial node of the heart or its function as a pacemaker |
