31. What are the long term effects of zero-gravity on the bodily systems? (A K2S Question)

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Most of the changes that occur in zero-gravity go back to normal when a person comes back to Earth. Changes in balance and the cardiovascular system return to normal within a day or two. Changes in muscle strength and bone loss take much longer to get back to normal.

Answer provided by Col. USAF Dr. Richard S. Williams


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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