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