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