Read the following.

Malpighian corpuscle, PCT and DCT of the nephron are situated in the ____(A)____ region of the kidney whereas the loop of Henle dips into the ____(B)____ region.

In the above A and B are

	(A)	(B)
(1)	Cortex	Cortex
(2)	Medulla	Cortex
(3)	Cortex	Medulla
(4)	Medulla	Medulla