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.
Quick Answer. The Merck Manual Home Health Handbook states that human kidneys can often heal themselves from the damage caused by acute kidney failure. A full recovery of kidney function is more likely if the episode of failure lasted less than five days and no complicating factors, such as infections, are present. Continue Reading.