The testis, male gonad, is located inside the scrotum in order to keep testicular temperature :

Depending on environmental changes

The testis, male gonad, is located inside the scrotum in order to keep

1.	The testis, male gonad, is located inside the scrotum in order to keep testicular temperature :
A.	Higher than body temperature
B.	Normal as body temperature
C.	Lower than body temperature
D.	Depending on environmental changes
Answer» D. Depending on environmental changes