Filtrate reabsorption, which occurs regardless of the concentration and volume of urine produced, is referred to as
A. active.
B. obligatory.
C. facultative.
D. countercurrent.
E. nonessential.
B. obligatory.
Biology Questions and Answers.
A. active.
B. obligatory.
C. facultative.
D. countercurrent.
E. nonessential.
B. obligatory.