| Answer | Crossword Clue |
|---|---|
| INTESTINES | Digestive system parts with recycling? |
| ULCER | Digestive-system malady |
| CASTIRONSTOMACH | Staunch digestive system |
| ALIMENTARYCANAL | Digestive-system passage |
| CASTIRONSTOMACH | Digestive system asset, figuratively |
| AMPS | PA system parts |
| AORTAE | Circulatory system parts |
| TIERODS | Steering system parts |
| RUDDERS | Steering-system parts |
| STRUTS | Suspension system parts |
| NODES | Lymphatic system parts |
| EARS | Sound system parts? |
| DUCTS | Ventilation system parts |
| SHAFTS | Ventilation system parts |
| SENSORS | Security system parts |
| EVILS | Bad parts, as of a system. |
| AXES | Parts of a Cartesian coordinate system |
| WHITEBLOODCELLS | Important parts of the body's defense system |
