1 a. Describe the flow of blood to the kidney, to a nephron, and
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Medical Sciences
1 a. Describe the flow of blood to the kidney, to a nephron, andback to the Vena Cava.
b. Describe the flow of filtrate and the processes it undergoesbetween the nephron and the urinary bladder.
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1a Blood flows into yourkidney through the renal arteryThis large blood vessel branches into smaller andsmaller blood vessels until theblood reaches the nephrons In the nephron yourblood is filtered by the tinyblood vessels of the glomeruli and thenflows out of your kidney throughthe renal veinOrBlood FlowBlood flows to the kidneys through the right and left renalarteries Inside each kidney these branch into smallerarteriolesThe blood is at very high pressure and flows through thearterioles into tiny knot of vessels called the Glomerulus Theseare located in the nephronsFrom the glomerulus the blood pressure drops and the blood flowsinto arterioles which coil around the nephrons These in turnconnect to a series of small veins These vessels reunite andultimately form the renal veinAbout one quarter of the total cardiac output or total bloodflow circulates through the kidneys This equates to just over 1litre of blood every minuteb Filtration and processesFiltrationFiltration takes place in the glomerulus whichis the vascular beginning of the nephron Approximately onefourthof the blood
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