Excretory Products And Their Elimination

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A : Nephrons are of two types: Cortical & Juxta medullary, based on their relative position in cortex
and medulla.

Reason R : Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop
of Henle.

In the light of the above statements, choose the correct answer from the options given below :