What is the function of the kidney? Question 4Select one:A.making urea and removing salts B.removing urea and reabsorbing glucoseC.removing glucose and reabsorbing saltsD.making glucose and reabsorbing urea
Question
What is the function of the kidney? Question 4Select one:A.making urea and removing salts B.removing urea and reabsorbing glucoseC.removing glucose and reabsorbing saltsD.making glucose and reabsorbing urea
Solution
The function of the kidney is B. removing urea and reabsorbing glucose.
Here's a step-by-step explanation:
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The kidney filters blood, removing waste products like urea. Urea is a waste product formed from the breakdown of proteins and is excreted in urine.
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The kidney also reabsorbs useful substances from the filtrate back into the blood. One of these substances is glucose. After the process of filtration, the filtrate contains glucose. However, as glucose is a useful substance, it is reabsorbed back into the blood in the proximal convoluted tubule of the nephron (the functional unit of the kidney).
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Therefore, the kidney's function is to remove waste products like urea and to reabsorb useful substances like glucose back into the blood.
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