In the kidney, the osmolarity increases from 300 mOsmL^-1 in the cortex to 1200 mOsmL^-1 in the medulla. This gradient is mainly due to

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

NaCl and urea

HCO₃^- and Cl^-

NaCl and creatinine

Ketones and urea

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Increasing osmolarity towards the inner medullary interstitium, from 300mOsmL^–1 in the cortex to about 1200 mOsmL^–1 in the inner medulla is mainly caused by NaCl and urea.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!