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