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