When you apply the brakes, brake fluid is forced under pressure into the wheel cylinder, which in turn pushes the brake shoes into contact with the machined surface on the inside of the drum. When the pressure is released, return springs pull the shoes back to their rest position.
Normally, protein is not removed when the kidneys filter waste from the blood. However, when the kidneys are damaged, protein leaks through the damaged filters and is removed from the body in the urine, along with the waste products.
Kidney disease damages your kidneys, preventing them from cleaning your blood as well as they should. This damage can cause wastes to build up in your body and lead to other health problems, including heart disease, anemia and bone disease.Chronic kidney disease eventually can cause kidney failure if it is not treated.enal function, or kidney function, is a measure of how well the kidneys are filtering blood. If you have two fully-functioning kidneys, you have all of your renal function (100 percent). A majority of kidney diseases damage renal function by attacking little filtration units in the kidneys, called nephrons.