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