Revision history of "21. Does the change in gravity affect respiration, making it harder to breathe in space than on Earth? Does physical fitness play any part in one's ability to breathe in space? (LM) (A K2S Question)"
From The Space Library
(Latest | Earliest) View (newer 50) (older 50) (20 | 50 | 100 | 250 | 500)Diff selection: mark the radio boxes of the versions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with current version,
(last) = difference with preceding version, M = minor edit.