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