| Answer | Crossword Clue |
|---|---|
| AXLE | Vital auto part. |
| JUGULAR | Vital part |
| HEART | Vital part. |
| PITH | Vital part |
| ESSENCE | Vital part. |
| SOUL | Vital part |
| ORING | Vital space-shuttle part |
| COG | Minor yet vital part |
| AORTA | Vital part of systemic circulation |
| TIRE | Vital part of a jeep. |
| GIST | Most vital part of some idea |
