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