it swells with fluid before shrinking
nothing, it stays the same
it speeds up
it slows down
legs and arms
torso and head
stomach
lungs
microgravity
regular gravity
zero gravity
hands
muscles
brains
legs
their sense of balance gets worse
their sense of balance gets better
their sense of balance doesn’t change
sleeping sickness
food poisoning
motion sickness
migraines
walking
talking
interacting
eating