Why is osmolarity of the filtrate is changing in every part of loop Write its significance - Biology - Excretory Products and their Elimination

Question

Why is osmolarity of the filtrate is changing in every part of
loop Write its significance

G. Lakshmi · Accepted Answer

In the path of
filtrate, many salts, ions etc are reabsorbed in different parts
and the secretions like hydrogen ions added to the filtrate That is
why osmolarity of the filtrate is changing in every part of
loop

Why is osmolarity of the filtrate is changing in every part of loop. Write its significance.