The correct option is
A ascending and descending limb
Henle’s loop is a u-shaped tubule and is a part of nephron that helps to absorb the water and sodium chloride from the filtrate. It has a descending and an ascending limb.
![](https://search-static.byjusweb.com/question-images/byjus/ckeditor_assets/pictures/950016/original_01.JPG)
Collecting duct is the last part of a long, twisting tube that collects urine from the nephron and moves it into the ureters.