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Life sciences space missions. OverviewIt has been known for many years that weightlessness induces changes in numerous physiological systems: the cardiovascular system declines in both aerobic capacity and orthostatic tolerance; there is a reduction in fluid and electrolyte balance, hematocrit, and certain immune parameters; bone and muscle mass and strength are reduced; various neurological responses include space motion sickness and posture and gate alterations. These responses are caused by the hypokinesia of weightlessness, the cephalic fluid shift, the unloading of the vestibular system, stress, and the altered temporal environment.
Document ID
20040173182
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sulzman, F. M.
(NASA Headquarters Washington, DC United States)
Date Acquired
August 22, 2013
Publication Date
July 1, 1996
Publication Information
Publication: Journal of applied physiology (Bethesda, Md. : 1985)
Volume: 81
Issue: 1
ISSN: 8750-7587
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Other
Keywords
NASA Center HQS
NASA Discipline Number 99-99
Review
Flight Experiment
Review, Tutorial
short duration
NASA Discipline General Space Life Sciences
manned
STS-58 Shuttle Project
NASA Program Life Sciences Management

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