Question 1
What is osmoregulation?
Question 2
Which organ in humans is most directly involved in osmoregulation by controlling the amount of water reabsorbed?
Question 3
What is the main role of antidiuretic hormone $\mathrm{ADH}$?
Question 4
What usually happens when the water potential of the blood becomes too low?
Question 5
Which statement best describes the urine produced when a person is dehydrated?