cardiology - heart, stomatology - ?

TEETH
WordClue
GUMThe flesh around the teeth
RATEof exchange or heart
BRAINcardiology - heart, neurology - ?
HEARTstomatology - teeth, cardiology - ?
LIVERcardiology - heart, hepatology - ?
MEDALPurple Heart
ATRIUMpart of heart
BOWELScore, heart
BRAVERYheart
DARKNESSHeart of ... (Conrad)
NEUROLOGYheart - cardiology, brain - ?
VENTRICLEpart of heart
CARDIOLOGYteeth - stomatology, heart - ?
HEPATOLOGYheart - cardiology, liver - ?
PERICARDIUMpart of heart
STOMATOLOGYheart - cardiology, teeth - ?
BRAINcardiology - heart, neurology - ?
TROUBLEcare, anxiety