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Urine Formation - Coggle Diagram
Urine Formation
Steps
Reabsorption
reabsorption is the process by which the nephron removes water and solutes from the tubular fluid (pre-urine) and returns them to the circulating blood.
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Secretion:
is responsible for the transport of certain molecules out of the blood and into the urine. Secreted substances include potassium ions, hydrogen ions, and some xenobiotics .
Glomerular filtration
It is the process that your kidneys use to filter excess fluid and waste products out of the blood into the urine collecting tubules of the kidney, so they may be eliminated from your body.
Excretion
Excretion is what goes into the urine, the end result of the above three processes. Although the original concentration of a substance in the tubule fluid may initially be close to that of plasma, subsequent reabsorption and/or secretion can dramatically alter the final concentration in the urine
Location
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Glomerular filtration
Filtration takes place in the glomerulus , which is the vascular beginning of the nephron . Approximately one-fourth of the blood flow from cardiac output circulates through the kidney
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