The kidneys are continually filtering blood. The entire blood volume of a human is filtered around 20 to 25 times each day. A human has 7 to 8 liters of blood in their body.
You have two kidneys that filter nitrogen-containing wastes from the blood.
The average time it takes for the heart to circulate all the blood in a persons body is around 5 minutes. Kidneys are always actively filtering your blood to prevent toxins from damaging your body
Blood is constantly circulating through the kidneys, which filter waste and excess fluids to produce urine. On average, the kidneys filter the entire blood supply about 12 times per hour, which is equivalent to about 180 times per day.
350 times
Nephrons are the tiny filters that remove nitrogenous wastes from the blood. Nephrons are found in the kidneys.
They filter the blood (actually just the plasma, the watery part of blood). All kinds of stuff are filtered out (glomerulus) and then all the good stuff is reabsorbed (proximal tubules) ... its a throw out the baby with the bathwater, but then catch the baby sort of trick.
The function of the kidneys is to filter impurities, excess salts, and water out of the blood. They filter the entire blood volume many times a day, so they need a very good blood supply.
The kidneys filter out and dispose of many unwanted substances in the blood, including many drugs.
Every day, your kidneys process about 198.3 liters of blood to sift out about 1.9 liters of waste products and extra water.
If the kidney filters 125ml of blood per minute, then you simply have to multiply 125 x 60 to find the answer of how much it filters in an hour. The answer is 7,500ml of blood.
The kidneys are organs with several functions.They are an essential part of the urinary system and also control the balance of: electrolytes, maintenance of acid-base balance, and regulation of blood pressure.They filter the blood, and remove wastes which are diverted to the urinary bladder. In producing urine, the kidneys excrete wastes such as urea and ammonium; the kidneys also are responsible for the reabsorption of water, glucose, and amino acids.The kidneys also produce hormones including calcitriol, renin, and erythropoietin.http://wiki.answers.com/What_is_a_function_of_the_kidney#ixzz18hXtaIK4
Kidneys are like a filter. They remove waste from your blood and create Urine, everything in your urine is something the body does not need!