The urinary system helps to maintain the extracellular fluid pH by
A) synthesizing buffers.
B) retaining carbon dioxide in the filtrate.
C) excreting hydrogen ions as water.
D) combining hydrogen ions with urea.
E) joining hydrogen ions with bicarbonate.

Question

Quizplus · Accepted Answer

The urinary system maintains extracellular fluid pH by excreting hydrogen ions, often in the form of water, thus removing excess acidity from the body.

The Urinary System Helps to Maintain the Extracellular Fluid PH