What is the role of the collecting duct in the excretory system?

What is the role of the collecting duct in the excretory system?
  1. To reabsorb water and electrolytes
  2. To secrete H⁺, K⁺ and NH₃
  3. To store urine
  4. To regulate osmotic pressure

Solution

The DCT and collecting duct allow for the extensive reabsorption of water and certain electrolytes, which helps in osmoregulation.

Asked in: NCERT

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