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Human physiology in space

J Vernikos1

  • 1National Aeronautics and Space Administration, Headquarters, Washington, DC 20546-0001, USA.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|December 1, 1996
PubMed
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Gravity is essential for human physiology, shaping our bodies and cellular functions. Studying microgravity during spaceflight reveals insights into human adaptation and potential medical advancements.

Area of Science:

  • Physiology
  • Space Biology
  • Gravitational Biology

Background:

  • Gravity (1g) profoundly influences human morphology and physiology, including skeletal and muscular systems, cellular functions, and neural pathways.
  • Biological systems have evolved intricate mechanisms to sense and respond to gravitational forces.
  • The importance of gravity is often underestimated due to its constant presence in daily life.

Purpose of the Study:

  • To explore the fundamental role of gravity in human physiology and morphology.
  • To investigate human adaptation to microgravity environments during spaceflight.
  • To uncover new insights into normal physiological processes and disease mechanisms through gravitational research.

Main Methods:

  • Systematic experimentation in microgravity environments (spaceflight).
Keywords:
NASA Center HQSNASA Discipline General Space Life Sciences

Related Experiment Videos

  • Analysis of physiological and morphological changes in response to altered gravity.
  • Investigation of sensory-dependent processes and the role of weight-bearing structures.

    • Main Results:

    • Microgravity research highlights the body's significant reliance on perceptual information.
    • Understanding the biomechanical effects on weight-bearing structures like bones and muscles is crucial.
    • Spaceflight studies offer a unique window into fundamental biological responses to gravity.

    Conclusions:

    • Microgravity research is vital for advancing our understanding of human physiology and disease.
    • Findings from spaceflight experiments can inform medical treatments and human health on Earth.
    • This research is critical for enabling long-term human exploration of the solar system.