Internal human organ (6)
I believe the answer is:
kidney
(Other definitions for kidney that I've seen before include "Excretory organ" , "Internal organ producing urine" , "temperament" , "Organ filtering waste with water from blood" , "class" .)
I believe the answer is:
kidney
(Other definitions for kidney that I've seen before include "Excretory organ" , "Internal organ producing urine" , "temperament" , "Organ filtering waste with water from blood" , "class" .)