Animal Excretory System
Biology ⇒ Animal Biology
Animal Excretory System starts at 9 and continues till grade 12.
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See sample questions for grade 11
Describe the process of deamination and its significance in excretion.
Describe the role of aldosterone in the excretory system.
Describe the role of the glomerulus in the nephron.
Explain the difference between excretion and egestion.
Explain why ammonia is excreted mainly by aquatic animals and not by terrestrial animals.
Explain why freshwater fish excrete large amounts of dilute urine.
Explain why marine bony fishes drink seawater and excrete concentrated urine.
In a scenario where a person is dehydrated, which hormone will be secreted in higher amounts to conserve water?
Name the excretory organ found in flatworms.
Name the process by which water and solutes are forced from the blood into the Bowman's capsule.
What is the main advantage of excreting uric acid instead of urea or ammonia?
Which part of the nephron is primarily responsible for reabsorption of glucose?
A desert rodent produces highly concentrated urine and very little sweat. Explain the physiological adaptations in its excretory system that enable it to conserve water.
A patient has a genetic mutation that impairs the function of aquaporins in the collecting duct of the nephron. Predict and explain the effect this would have on urine output and body water balance.
Compare and contrast the excretory mechanisms of annelids and insects, focusing on the structure and function of their respective excretory organs.
Describe the role of the liver in the excretion of hemoglobin breakdown products.
Explain how the process of tubular secretion in the nephron contributes to the regulation of blood pH.
