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