When there is excess water in body fluids, kidney from dilute urine (hypotonic) urine and when there is shortage of water in body fluids kidney filters less water from glomerular capillaries and rate of reabsorption is increased and concentrated (hypertonic) urine is formed.
Correct Answer When there is excess water in body fluids, kidney from dilute urine (hypotonic) urine and when there is shortage of water in body fluids kidney filters less water from glomerular capillaries and rate of reabsorption is increased and concentrated (hypertonic) urine is formed.