Managing your body's water and salt
Clinically: Renal water and electrolyte regulation
Most adults pass urine six to eight times in a day and usually sleep through the night without needing to go. Volume and colour swing widely with how much you drink, the weather and exercise. Pale yellow after a normal day is typical; dark urine most often just means you need more water.
unverified These explanations are written to be easy to read and have not yet been checked against a source. The ranges and measurement notes on this page show theirs.
function unverified
After the filters do their work, a long tube reclaims most of the water and salt your body still needs and lets the rest go. This is how your body keeps its water and salt steady whether you drink two glasses or ten.
After the filters do their work, a long tube reclaims most of the water and salt your body still needs and lets the rest go. This is how your body keeps its water and salt steady whether you drink two glasses or ten.
No clinical version written yet.
In clinical terms
Tubular reabsorption and secretion adjusting water, sodium, potassium and acid-base balance against hormonal signals.