ANIMAL PHYSIOLOGY
EXCRETION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Filtration, reabsorption, secretion
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Secretion, reabsorption, filtration
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Reabsorption, secretion, filtration
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Reabsorption, filtration secretion
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Detailed explanation-1: -Urine formation takes place in three steps namely, glomerular filtration, selective reabsorption and tubular secretion. In the first step, blood containing nitrogenous wastes is filtered through a tuft of capillaries called glomerulus. This is followed by selective reabsorption of glucose, amino acids etc.
Detailed explanation-2: -Urine formation occurs in the kidney in three stages: filtration, reabsorption, and secretion.
Detailed explanation-3: -Filtrate moves from Bowman’s capsule to the proximal tubule and into the loop of Henle, which dives into the renal medulla before returning to the renal cortex. From the loop of Henle, filtrate is transferred to the distal tubule and into the collecting duct, where it travels into the renal medulla for collection.
Detailed explanation-4: -Glomerular filtration