acceleration physiology

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• acceleration stress — ▪ physiology Introduction       physiological changes that occur in the human body in motion as a result of rapid increase of speed. Rapid acceleration and surges in acceleration are felt more critically than are gradual shifts. Pilots are… …   Universalium

• High-G training — is done by aviators and astronauts who are subject to high levels of acceleration ( G ). It is designed to prevent a g induced Loss Of Consciousness (abbreviated g LOC), a situation when g forces move the blood away from the brain to the extent… …   Wikipedia

• Bainbridge reflex — ▪ physiology also called  atrial reflex        acceleration of the heart rate resulting from increased blood pressure in, or increased distension of, the large systemic veins (vein) and the right upper chamber of the heart. This reflex, first… …   Universalium

• human aging — ▪ physiology and sociology Introduction       physiological changes that take place in the human body leading to senescence, the decline of biological functions and of the ability to adapt to metabolic stress. In humans the physiological… …   Universalium

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• ear, human — ▪ anatomy Introduction       organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium).  The human ear, like …   Universalium

• Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …   Wikipedia

• Liquid breathing — Intervention MeSH D021061 Liquid breathing is a form of respiration in which a normally air breathing organism breathes an oxygen rich liquid (such as a perfluorocarb …   Wikipedia

• mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …   Universalium

• Torr — For the standard botanical author abbreviation Torr., see John Torrey. The torr (symbol: Torr) is a non SI unit of pressure with the ratio of 1 to 760 standard atmosphere, chosen to be roughly equal to the fluid pressure exerted by a millimetre… …   Wikipedia

• human development — ▪ biology Introduction  the process of growth and change that takes place between birth and maturity.       Human growth is far from being a simple and uniform process of becoming taller or larger. As a child (child development) gets bigger,… …   Universalium