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