Biology for IGCSE & O level - Excretion In Humans (Section 3 - No. 5)
What is the role of antidiuretic hormone (ADH) in the kidney?
To increase water reabsorption in the collecting duct.
To decrease water reabsorption in the collecting duct.
To filter blood in the glomerulus.
To promote the excretion of urea.
Explanation
ADH increases water reabsorption in the collecting duct, leading to more concentrated urine and less water loss.
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