Igcse Model Questions Vol1 2019 Biology Question 6

Practice essay / theory question 6 from the 2019 Igcse Model Questions Vol1 Biology examination. This question covers excretion, urinary system, kidney function .

Igcse Model Questions Vol1 2019 Biology Essay / Theory
Topics: excretion urinary system kidney function
Question 6 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

The labelled diagram shows the major structures of the human excretory system.

Question Parts

( a )
Trace the complete route taken by urine from its formation in the kidney to its exit from the body, naming each structure it passes through.
( b )
For each of the following nephron components – glomerulus, proximal convoluted tubule, loop of Henle, distal convoluted tubule and collecting duct – explain its specific role in the processes of filtration, reabsorption and secretion.
( c )
A patient suffers from a blockage in the left ureter. Discuss the likely physiological consequences of this condition on (i) urine accumulation, (ii) blood pressure regulation, and (iii) overall fluid balance.
( d )
Compare the excretory adaptations of humans with those of freshwater fish, focusing on how each organism conserves water and eliminates nitrogenous waste.

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About This Question

This is Igcse Model Questions Vol1 2019 Biology Question 6. It is one of the essay questions from the 2019 Igcse Model Questions Vol1 Biology examination.

The question covers excretion, urinary system, kidney function .

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