Water Follows Sodium Ions Out of the Renal Filtrate in the Tubules

Question

Water follows sodium ions out of the renal filtrate in the tubules and into blood by means of
A)tubular reabsorption.
B)tubular secretion.
C)osmosis.
D)glomerular filtration.

Accepted Answer

Water follows sodium ions by osmosis, which is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.