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