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