- A proximal convoluted tubule
- B the glomerulus knot
- C the long collecting duct
- D the Bowman's capsule cup
Correct answer: A. proximal convoluted tubule
Explanation: The proximal convoluted tubule reabsorbs most of the filtered water, glucose and ions.
Concept context
Nitrogenous waste, kidney structure, urine formation in the nephron, and hormonal regulation of excretion.
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