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Which of the following structure make the countercurrent mechanism?

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in Biology – Class 11 by (272k points)
Which of the following structure make the countercurrent mechanism?

(a) Henle’s loop and glomerulus

(b) PCT and DCT

(c) Henle’s loop and vasa recta

(d) Vasa recta and collecting duct

I had been asked this question in exam.

My question comes from Mechanism of Concentration of the Filtrate topic in section Excretory Products and Elimination of Biology – Class 11

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Right option is (c) Henle’s loop and vasa recta

To explain I would say: The specialized arrangement of Henle’s loop and vasa recta which enhances the transport of substances and helps in concentrating the urine is known as counter-current mechanism.

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