Class 11 · Excretory Products and Their Elimination

Tubular Secretion in Urine Formation — NEET Biology

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During urine formation, the tubular cells secrete substances like H+, K+ and ammonia into the filtrate. Tubular secretion is also an important step in urine formation as it helps in the maintenance of ionic and acid base balance of body fluids.

NCERT Biology · Class 11 · Chapter 16 · Paragraph 24
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Adjacent to a frequently-asked paragraph in the same chapter.

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What is the function of tubular secretion in urine formation?

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