Is there any advantage to the nephron having a long tubular structure?

Question

Is there any advantage to the nephron having a long tubular structure? — Exam MCQ

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C. Yes, the long tube gives time and space for reabsorption of excess water from the initial filtrate. — The long renal tubule provides time and surface area for selective reabsorption of water and useful solutes, as well as secretion.

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A. No, all nephrons are not long; some are short and others are long, but all are functional.

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B. No, the long tubular structure has no advantage because filtration occurs at the cup-shaped end.

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D. Yes, the long tubes can be coiled and packed at high density to give firmness to the kidney.

Is there any advantage to the nephron having a long tubular structure?

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