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