Kidney cross section. Acute kidney failure occurs when your kidneys suddenly become unable to filter waste products from your blood. When your kidneys lose their filtering ability, dangerous levels of wastes may accumulate, and your blood's chemical makeup may get out of balance. Acute kidney failure â also called acute renal failure or acute kidney injury â develops rapidly over a few hours or a few days. Acute kidney failure is most common in people who are already hospitalized, particularly in critically ill people who need intensive care.
Definition of windbreak. : a growth of trees or shrubs serving to break the force of wind; broadly : a shelter (such as a fence) from the wind.
earth. Wind direction is the direction from which the wind is blowing (a north wind means the wind is blowing from the north). Wind is the most critical weather element affecting wildland fire behavior, the most difficult to predict, and the most variable in both time and location. This variability (especially in rough terrain) can pose safety and fire control problems, which can result in firefighter fatalities.