Question Detail
Question
The primary organ of osmoregulation (water balance regulation) is the:
Correct Answer
Option D is the correct answer.
Detailed Explanation
The primary organ of osmoregulation is the kidney. It regulates water balance by adjusting urine concentration and volume in response to hydration status, controlled by hormones such as ADH.
Hint
This organ filters blood and adjusts urine concentration to maintain water balance.