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