Osmoregulation and Water-Salt Balance · NCERT Biology

Which of the following best describes the role of vasa recta?

  1. Filtration of blood
  2. Reabsorption of glucose
  3. Maintenance of medullary osmotic gradient
  4. Secretion of hormones
Show answer and explanation

Correct answer: Maintenance of medullary osmotic gradient

Vasa recta helps maintain the osmotic gradient in the renal medulla. It prevents dilution of the gradient while allowing nutrient exchange.

Difficulty: Medium Question 40 of 40

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