The kidneys of all vertebrates act as osmoregulators. This means that they
keep the composition of the plasma constant
regulate osmotic processes
control the volume of blood entering the kidneys
decrease the osmotic pressure of the blood
increase the osmotic pressure of blood
The correct answer is: B
Explanation
No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn.