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