Question

hi guys ........my question is ........why the right kidney is small than left kidney​

Answer 1

Because liver occupy some of the right portion.

So, right kidney is slightly below w.r.t left kidney.

It is not smaller than left kidney....

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Answer 2

Answer:

Unilateral renal hypoplasia (one kidney)

In unilateral renal hypoplasia, one kidney is smaller than usual because it has not fully developed while a baby is growing in the womb. ('Unilateral' means one side.) The other kidney usually looks and works as normal, and may grow larger to help do the work of two kidneys.