Q: 8.9 Which of the following symptoms is likely to afflict an astronaut in space (a) swollen feet, (b) swollen face, (c) headache, (d) orientational problem.
(a) In space we have state of weightlessness, so the swollen feet does not affect astronaut as there is no gravitational pull (so cannot stand).
(b) The swollen face will be affected as the sense organs such as eyes, ears etc. will be affected.
(c) It will affect the astronaut as it may cause mental strain.
(d) It will affect the astronaut as space has different orientations.
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