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