We can produce concentrated/dilute urine. This is facilitated by a special mechanism. Identify the mechanism.

Reabsorption from PCT

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Reabsorption from Collecting Duct

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Reabsorption/ Secretion in DCT

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Counter current mechanism in Henle's loop

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Solution

The correct option is D Counter current mechanism in Henle's loop
The counter current mechanism helps to concentrate the filtrate which occurs in loop of Henle and vasa recta in the medulla region of the kidney. This gradient is mainly causes by $N a C l$ and urea. It helps in easy absorption of water from the filtrate present in the collecting duct so that the concentration of the filtrate (urine) is increased. Therefore, hypertonic urine is produced in human beings.
So, the correct answer is 'Counter current mechanism in Henle's loop'.

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Similar questions

We can produce a concentrated/ dilute urine. This is facilitated by a special mechanism. identify the mechanism.
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(b) Reabsorption from collecting duct
(c) Reabsorption/Secretion in DCT
(d) Counter current mechanism in Henle's loop vasa recta

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c. PCT d. DCT

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