Feb 9, 2007 - 4:17:00 PM - Print. The fan clutch is an automatic device that is often used in a vehicleâs cooling system. So, when the engine is cool or even when it is at a normal operating temperature, the fan clutch will partially disengage the engineâs radiator cooling fan (which is mechanically driven).
Cerebral hypoxia occurs when there is not enough oxygen getting to the brain. The brain needs a constant supply of oxygen and nutrients to function. Cerebral hypoxia refers to the largest parts of the brain, called the cerebral hemispheres. However, the term is often used to refer to a lack of oxygen supply to the entire brain. In cerebral hypoxia, sometimes only the oxygen supply is interrupted. This can be caused by: Breathing in smoke (smoke inhalation), such as during a fire.
Hypoxia is most accurately defined as: inadequate oxygen to the tissues and cells. the hypoxic drive--- the primary stimulus to breathe for patients with certain chronic respiratory diseases-- is influenced by: low blood oxygen level.