Which of the following is not true about the regulation of fluid in the body?
A: Thirst is a reliable indicator of how much water should be consumed to replenish body fluids during illness.
B: Antidiuretic hormone is released to force the kidney to conserve water.
C: There is a limit to how concentrated the kidney can make the urine.
D: Even though the kidney can effectively conserve water, insensible water losses must be replenished.