about how the kidneys function in controlling ion concentration, water levels, and nutrient absorption.
Anatomy and Physiology 2
As the main function of the kidney is to remove the waste products from metabolism like urea, uric acid, creatinine etc., by producing urine, it helps in maintaining ion concentration, water balance and nutrient absorption. The kidney helps in regulating the concentration and volume of body fluids by a process known as 'homeostasis'. It helps in maintaining acid-base balance by discharging hydrogen ions into urine and reabsorbing bicarbonate from urine.
To maintain body's water needs, kidney will adjust the concentration of urine. It helps in maintaining water levels during dehydration of body and also in making the urine more dilute for the expulsion of excess water. Antidiuretic hormone (ADH) helps kidney to maintain water balance.
Kidney also helps in the function of reabsorption of nutrients from the blood and further transporting them to the blood.
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