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