Question

the part of the renal tubule that maintains a proper concentration of pH of urine​

Answer 1

Answer:

Although both cortical and juxtamedullary nephrons regulate the concentrations of solutes and water in the blood, countercurrent multiplication in the loops of Henle of juxtamedullary nephrons is largely responsible for developing the osmotic gradients that are needed to concentrate urine.

Answer 2

Answer:

descending lumbs

Explanation:

it is highly permeable of water thys water is raedly reabsorbed from the descending limbs by osmosis