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