cardiology - heart, neurology - ?

BRAIN
WordClue
RATEof exchange or heart
HEARTneurology - brain, cardiology - ?
LIVERcardiology - heart, hepatology - ?
MEDALPurple Heart
TEETHcardiology - heart, stomatology - ?
ATRIUMpart of heart
BOWELScore, heart
BRAVERYheart
DARKNESSHeart of ... (Conrad)
NEUROLOGYheart - cardiology, brain - ?
VENTRICLEpart of heart
CARDIOLOGYbrain - neurology, heart - ?
HEPATOLOGYheart - cardiology, liver - ?
PERICARDIUMpart of heart
STOMATOLOGYheart - cardiology, teeth - ?
LIVERcardiology - heart, hepatology - ?
TEETHcardiology - heart, stomatology - ?