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