Lung or heart (5)
I believe the answer is:
organ
(Other definitions for organ that I've seen before include "Biological functionary" , "music producer" , "colon?" , "House journal" , "Large musical instrument often heard in church" .)
I believe the answer is:
organ
(Other definitions for organ that I've seen before include "Biological functionary" , "music producer" , "colon?" , "House journal" , "Large musical instrument often heard in church" .)