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