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.
What are the causes of fatigue in kidney disease? Anemia In right condition, healthy kidneys can produce enough red blood cells to transport blood. However, when kidneys are damaged, there will be shortage of EPO, in this case, anemia is more likely to occur. And anemia is often regarded as the major cause of fatigue.