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