Figure shows human urinary system with structures labelled A to D. Select option which correctly identifies them and gives their characteristic and/ or functions.

Moderate

A

C - Medulla - inner zone of kidney and contains complete nephrons.
B

D - Cortex - outer part of kidney and does not contain any part of nephrons.
C

A - Adrenal gland - located at the anterior part of kidney. Secrete catecholamines which stimulate glycogen break down.
D

B - Pelvis - broad funnel shaped space inner to hilum, directly connected to loops of Henle.

Solution

Label A - Adrenal gland - located at the anterior part of kidney. Secrete catecholamines (adrenaline and nor-adrenaline) which stimulate glycogen breakdown.
Label C - Medulla - inner zone of kidney and contains part of nephrons. Glomerulus, PCT and DCT lie in cortical region.
Label D - Cortex - outer part of kidney. Glomerulus, PCT and DCT lie in cortical region.
Label B - Pelvis - broad funnel shaped space inner to hilum with projections called calyces.

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