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