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