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