Class XI Biology

Currently Playing: Countercurrent Exchange | Excretory Products and Elimination | Class XI | Biology | Khan Academy

In countercurrent multiplication, we saw how water and Na+ were reabsorbed into the interstitium in the Loop of Henle. Where do the reabsorbed substances go? How do they join back the systemic circulation? Watch the video to learn about countercurrent exchange, the mechanism that puts those substances back in the circulation. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/science/in-in-class-11-biology-india/x9d1157914247c627:excretory-products-and-their-elimination) Timestamps: 0:00 Countercurrent multiplication recap 2:01 Vasa recta 3:03 Descending and ascending limbs of vasa recta 4:25 Countercurrent exchange Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Nivedhitha Suresh