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-- See Also Aviation medicine

-- See Also the narrower term Decompression (Physiology)

-- See Also the narrower term Life support systems (Space environment)

-- See Also the narrower term Space flight Physiological effect

--subdivision Effect of space flight on under individual organs and regions of the body, e.g. Heart--Effect of space flight on

-- See Also the narrower term Space stations Health aspects

-- See Also the narrower term Weightlessness
Here are entered works on the physiological and psychological effects of environments in which the gravitational forces are zero or markedly lower than the gravity man is accustomed to on earth.Works on the physiological effects of normal gravity and of acceleration expressed in g's are entered under Gravity--Physiological effect.Works on the physics or theory of gravitational forces are entered under Gravitation or Gravity.