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