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