Class 11 Zoology simulations · Excretory Products and their Elimination

ADH and water balance

Drink more or less water and see the hypothalamus adjust ADH, changing urine volume and concentration.

Open the simulation

What to notice

Without ADH (diabetes insipidus) large volumes of dilute urine are produced.

Key relation

↓ body water → ↑ ADH (vasopressin) → ↑ water reabsorption in DCT and collecting duct

Try this

Switch on diabetes insipidus and compare the urine volume.

What you can change

• Water intake: 0.5 to 5 L/day
• Condition: choose Normal, Diabetes insipidus (no ADH)

More in Excretory Products and their Elimination

• Counter-current mechanism
• Nephron: filtration and reabsorption

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