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