The body’s extracellular fluid consist of the blood plasma and the interstitial fluid. Of the extracellular fluid volume, how much constitute the interstitial fluid volume?

The different salts/ions are distributed unevenly between the extracellular and the intracellular fluid compartments. Which of the following is found in highest concentration extracellularly?

What is a main function of the kidneys?

The nephrons are histologically and functionally divided into different regions; glomerulus, proximal tubule, Loop of Henle, distal tubule and the collecting ducts. Where do we find water re-uptake from the renal tubule into the blood vessels that are not related to simultaneously Na+ uptake?

The nephrons are histologically and functionally divided into different regions; glomerulus, proximal tubule, Loop of Henle, distal tubule and the collecting ducts. Where is ADH exerting its function?

The nephrons are histologically and functionally divided into different regions; glomerulus, proximal tubule, Loop of Henle, distal tubule and the collecting ducts. Where is blood filtered?

The nephrons are histologically and functionally divided into different regions; glomerulus, proximal tubule, Loop of Henle, distal tubule and the collecting ducts. The parathyroid hormone (PHT) regulate Ca2+ uptake in the kidneys. Where?

The nephrons are histologically and functionally divided into different regions; glomerulus, proximal tubule, Loop of Henle, distal tubule and the collecting ducts. Where is aldosterone exerting its function?

The juxtaglomerular apparatus consists of (at least) two cell types; Granular celles and the Macula densa. What is the function of Macular densa?

Where in the CNS is the thirst center?