Astronauts upon the International Space Station are made aware that for every 1 month they spent in micro gravity, it will take 2 months to recover the bone density that they lost during this experience. Calcium is absorbed by the body and excreted through urine so to combat this, astronauts undergo physical exercise for 2 hours per day and ingest supplements. The International Space Station has a laboratory referred to as “microflow1” which is no bigger than a toaster and analyzes blood, urine,...
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