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