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Our World: Exercise in Space

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Find out why exercise is so important to the astronauts who travel into space. Learn how gravity affects our bodies and what astronauts must do in reduced gravity environments to keep their bodies healthy.

Published on: March 19, 2013

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Keywords
NASA, eClips, Our World, NIA, exercise, astronauts, gravity, circulatory system, heart, health, life processes, energy, measurement, system
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