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