42. Osmoregulation and Excretion
Osmoregulation and Excretion
Multiple Choice
Multiple ChoiceThe filtrate formed by the nephrons in the kidney is not urine. The filtrate is first refined and concentrated by the processes of __________, which form the urine that leaves the body.
A
filtration and secretion
B
reabsorption and excretion
C
filtration and reabsorption
D
secretion and excretion
E
reabsorption and secretion
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