Many reasons. Glucose levels, hormone levels, cholesterol, infections, anemia, cancer indicators, kidney function, liver function, & on and on the list goes.
The hormone is called antidiuretic hormone.
Aldosterone is the hormone that is secreted by the adrenal cortex and promotes the retention of salt which then helps the body to retain more water. This is important for maintaining blood pressure in the body which is essential for proper kidney function.
Thyroid hormone
aldosterone
what is the primary function of nipple runs in the kidney
The function of glomeruli on kidney is to bring blood to the kidney nephrons.
The medical term for the hormone that promotes the kidney to reabsorb water is antidiuretic hormone (ADH) or vasopressin. This hormone helps regulate water balance in the body by increasing water reabsorption in the kidneys.
The function of the kidney is to clean and filter the blood, kidney's get rid of the unwanted fluids (waste)hope this helped !
Aldosterone.
Aldosterone
The left kidney functions similarly to the right kidney, filtering waste and excess fluids from the blood to form urine. It also helps regulate blood pressure, maintain electrolyte balance, and produce hormones that contribute to red blood cell production.