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.
Formation of Wind. As the earth is affected by an unequally of heat energy from the sun, the state of the air differentiate between different regions. Warm air expands and rises up while cold air condenses and sinks, hence resulting the flow of air and forms wind. In meteorology, unless otherwise specified, wind means the horizontal motion of airflow and signifies with wind direction and wind speed (wind force).