circulatory or urinary

SYSTEM
WordClue
SONGballad or lullaby
SOUPgazpacho or porridge
STARSun or Rigel
TIREradial or spare
WIREbarbed or chicken
AGENTinsurance or travel
BRANDAudi or Porsche
COURTappellate or supreme
DANCEtango or flamenco
FLUIDwater or petroleum
MOTORdiesel or stepping
ORDERfungus or stop-loss
PARTYRepublican or Conservative
POWERsolar or of will
RIVERNeva or Mekong
TRACTdigestive or urinary
KIDNEYpart of urinary system
URETERpart of urinary system
BLADDERpart of urinary system
URETHRApart of urinary system
TURNTABLEcircular rotating platform
PERIMETERcircumference