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FAST REVISION
Physiology
ADH acts on the distal tubules and collecting ducts of the kidney to increase the permeability of the tubular epithelium to water. This results in the reabsorption of water and the concentration of urine, thereby reducing urine volume and increasing
Physiology
Deglutition begins with the voluntary stage, where food is moved into the pharynx. This is followed by the pharyngeal stage, an involuntary process that includes closure of the glottis and opening of the esophagus. Finally, the esophageal stage is