Water balance, kidneys and excretion

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By the end you’ll be able to

explain why metabolic reactions transfer water to or from the environment and why water and ion concentrations must be controlled
describe the role of the kidneys in removing urea from the blood and in adjusting the water and ion content of the blood
describe how urea is produced in the liver from excess amino acids by deamination and transported to the kidneys for excretion

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explain the role of antidiuretic hormone (ADH) in controlling water reabsorption in the kidney tubules by negative feedback

compare kidney failure treatments, including dialysis and kidney transplantation, using advantages, disadvantages, risks and lifestyle implications

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