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hypoxia
Oxygen deficiency in blood cells or tissues in such a degree as to cause psychological and physiological disturbances. Hypoxia may result from scarcity of oxygen in the air being breathed or from the inability of the body’s tissues to absorb oxygen under conditions of low barometric pressure. It produces a variety of reactions in the body from mild intoxication and stimulation of the nervous system, to progressive loss of attention and judgment, unconsciousness, and eventual brain damage. The continuing physiological requirement for oxygen is a critical consideration in high-altitude flight and spaceflight.
Related category
• SPACE AND AEROSPACE MEDICINE
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