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