Collocations for organ - noun

internal | important, vital
The eyes are an important organ of balance. | to preserve blood flow to the brain and the other vital organs

abdominal, genital | digestive, olfactory, reproductive, sense/sensory, sex/sexual, etc. | human | donor
waiting for a suitable donor organ

donate | transplant

donation, donor | transplant, transplantation

pipe | mechanical | electric, electronic, Hammond (R) | barrel, mouth | church, fairground

pedal, pipe, stop | loft

central, major
the central organs of state

administrative, constitutional, economic, judicial, legislative, political, security | party