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